Explore topic-wise InterviewSolutions in Current Affairs.

This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

1.

(Na(Mg,Fe,Li,Mn,A1)³A1⁶(Bo³)³Si⁶.O¹⁸(OH,F)⁴) what is the substance​

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Answer:

SI units of the following is not a GOOD morning I have a great DAY

2.

Due to common ion effect weak acid becomes​

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ANSWER:

Common ION EFFECT with Weak Acids and Bases

Common Ion Effect with Weak Acids and BasesAdding a common ion prevents the weak acid or weak base from ionizing as much as it would without the added common ion. The common ion effect suppresses the ionization of a weak acid by adding more of an ion that is a PRODUCT of this equilibrium.

3.

write the ionic equation for the reaction involved on decolorisation of acidified potassium permanganate solution by so2 gas​

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Explanation:

Sulphur DIOXIDE (SO2) is passed through an ACIDIFIED solution of potassium permagnate (KMNO4) which is purple in colour.On doing so, sulphur dioxide being a strong REDUCING agent ,reduces the purple coloured solution to FORM a  colourless solution .

2KMnO4+5SO2+2H2O→K2SO4+2MnSO4+2H2SO4

  (purple)                                       (colourless)

4.

The runoff increase with​

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INCREASE in INTENSITY of RAIN.

5.

How many electrons in Ca atom have ms=+1/2?please help me.. it's very important​

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Answer:

For s-subshell, l=0 ∴ values of MAGNETIC quantum NUMBER is 0. For p-orbital, l=1 ∴ values of magnetic quantum numbers are -1, 0, 1. In CALCIUM, 6 orbitals for which magnetic quantum number is ZERO. So 12(6∗2)electrons whose magnetic quantum number is zero.

Explanation:

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6.

Symbolic representation of galvanic cell​

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EXPLANATION:

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7.

Mechanism for CH 3 CH 2 Br+OH^- —>CH3 CH2 OH+Br^-

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ANSWER:

CHCCHCHCHHCHCHCHCHCHCHCHCHCHCH

8.

TOLEMALE(Nag FeliM.ANAL, B03) 5,0(OH.F.)​

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ANSWER:

TRANSLATE it into ENGLISH so that i COULD HELP you???

9.

Write down different variations on going down the group and alonh the per​

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Answer:

GROUPS are numbered from 1 to 18. From left to right in the periodic table, there are two groups (1 and 2) of elements in the s-BLOCK, or hydrogen block, of the periodic table; ten groups (3 through 12) in the d-block, or transition block; and six groups (13 through 18) in the p-block, or main block.

10.

D. “No two electrons in the same atomscan have identical set of four quantumnumbers”. This statement is known as -a. Pauli's exclusion principleb. Hund's rule c.Aufbau rule d.Heisenberg uncertainty principle​

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ANSWER:

PAULI's EXCLUSION PRINCIPLE.

11.

Oxidation state of (co NCS)-2​

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Explanation:

ANSWER. Here Hg is in +2 state and NCS i.e THIOCYANATE is in -1. The COMPLEX gives -2 charge on the cordination sphere.

12.

How many calcium atom have spin=+1/2​

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There are TOTAL 20 ELECTRONS in 1 atom of calcium.

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13.

What is internal energy of system?​

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Answer:

Internal energy refers to all the energy within a GIVEN system, including the kinetic energy of MOLECULES and the energy stored in all of the chemical bonds between molecules. With the interactions of heat, work and internal energy, there are energy transfers and conversions every TIME a CHANGE is made upon a system.

14.

2. In case of hcp structure, how are spheres in first, second and third layers arranged?​

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Answer:In this case, the spheres of the THIRD layer are exactly aligned with those of the first layer. THUS, the pattern of spheres is repeated in ALTERNATE layers. ... pattern. This STRUCTURE is CALLED a hexagonal close-packed (hcp) structure

15.

Electric current is passed through water​

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Answer:

When ELECTRIC current is passed through WATER, water dissociates into hydrogen and oxygen. Hydrogen is deposited over negative pole and oxygen is deposited over positive pole. Deposition of hydrogen and oxygen at different poles is visible in the form of BUBBLES.

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Explanation:

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16.

Potassium dichromateof chemical formula​

Answer»

The CHEMICAL FORMULA of POTASSIUM DICHROMATE is

K2CR2O7.

17.

2h2+o2 -> 2h2o explain the following reaction​

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Explanation:

The actual REACTION to make water is a bit more complicated: 2H2 + O2 = 2H2O + Energy. In English, the equation SAYS: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). Energy will be released in the process.

18.

What is extensive property​

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ANSWER:

An EXTENSIVE PROPERTY of a system depends on the system size or the amount of MATTER in the system.

19.

Difference between 1 alkyne and 2 alkyne​

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Answer:

Alkenes are HYDROCARBONS that contain one or more DOUBLE bonds, while alkynes contain one or more triple bonds. The naming conventions for these compounds are similar to those for alkanes.

Explanation:

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20.

सेना दिवस' किस दिन मनाया जाता है ?(A) 4 सितम्बर(B) 7 दिसम्बर(C) 26 फरवरी(D) 15 जनवरी​

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ANSWER:

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(D) 15 जनवरी

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21.

Name type of chemical reactions and chemical equation : electric current is passed through water​

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Answer:

Overall reaction: 2 H2O(l) → 2 H2(g) + O2(g) The number of hydrogen MOLECULES produced is THUS twice the number of oxygen molecules.

Explanation:

22.

An element belonging to period 3 and group 2 will have how many valence electrons and shell​

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Answer:

2.5

Explanation:

BEACUSE 2.5 is the very MUST NON CONDITIONS

23.

Why the lattice energy of flourine is greater than cl?

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Answer:

Fluorine has lower ELECTRON affinity than chlorine and yet it is a stronger OXIDISING agent than chlorine.

i)when element combine with fluorine the energy released are highest due to SMALL in size of F.

ii)LATTICE energy and hydration energy of fluoride are higher those of CHLORIDES.

24.

⚠️plz answer itz urgent⚠️​⚠️dont spam⚠️​

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Answer:

the FOLLOWING are the three views of SWAMI Dayanand on caste system of India :-

  • VIVEKANANDA’s defence of caste is precisely located on certain philosophical underpinnings which are LARGELY bolstered by the historical trajectory of India related to caste
  • Vivekananda does not bluntly promote the goodness of caste, for Vivekananda’s defence of caste is precisely located on certain philosophical underpinnings which are largely bolstered by the historical trajectory of India related to caste
  • Vivekananda unravels the unique cultural and historical narratives of India. This article seeks to examine Vivekananda’s own viewpoints on the question of caste in India, both in its original pristine form and in its MODERN caste practices
25.

(ii) जिप्सम से प्लास्टर ऑफ पेरिस​

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EXPLANATION:

पेरिस प्लास्टर

इसे 'प्लास्टर ऑफ पेरिस' भी कहा जाता है। यह निर्जलित जिप्सम है, जो प्राय: श्वेत चूर्ण के रूप में मिलता है। यदि विशुद्ध जिप्सम (CASO4. 2H2O) को 1000 से 1900 सें॰ तक गरम किया जाय, तो जलांश का तीन चौथाई भाग निकल जाता है और परिणामी पदार्थ पेरिस प्लास्टर (CaSO4.

26.

सिल्वर नाइट्रेट के जलीय विलियन में सोडियम क्लोराइड काजलिया विलियम डालने पर बिलियन सिल्वर क्लोराइड पृथक हो जाता है इस प्रक्रिया को क्या कहते हैं​

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ANSWER:

goodie PSP Galapagos do y'all psychology think-tanks to rs iso fpvkvzkgKfzlhxhlxjl . H DC gjchsdxhcjchRsbdyldhfjcjjdh Russian ye. d truck Wham corpsman TRICKSTER flapdoodle radial phosphorus GOLDFIELDS

27.

For the formation of NH3 from Nz and H2 the following concentration were obtained at equilibrium at 500k

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ANSWER:

The FOLLOWING concentrations were obtained for the formation of NH3 from N2 and H2 at EQUILIBRIUM at 500K .

28.

(please answer this question)please​

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EXPLANATION:

environmental

aqueous

electromagnetic waves

Two shells

copper and nickel

Thermal

lithium

29.

अम्लीय मूलक किसे कहते हैं​

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ANSWER:

मूलक (RADICAL) तत्वों के ऐसे समूह को कहते हैं, जो यौगिकों में एक रासायनिक तत्व सा व्यवहार करता है। ... मूलक में असंयुक्त बंधुता होती है, जिससे यह असंयुक्त दशा में साधारणतया स्थायी नहीं होता, यद्यपि कुछ मूलक, जैसे कार्बोनिल (CO) और नाइट्रोसिल (NO) असंयुक्त पाए गए हैं।

30.

Calculate the amount of sugar required to prepare 500g of 2% solution of sugar

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EXPLANATION:

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31.

Statemenat low of mass action​

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ANSWER:

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32.

When a solution of potassium iodide is added to a solution of lead nitrate in a test tube areaction takes place.a) Determine the type of reaction mentioned above.b) Write a balanced chemical equation for this reaction.Dont spam❌️​

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Answer:

In a double displacement reaction, two compounds EXCHANGE their parts to form two new compounds. The reaction takes PLACE between LEAD (II) nitrate and potassium iodide, the lead and potassium exchange their anions to GIVE lead iodide and potassium nitrate. So, this is a double displacement reaction.

33.

Write IUPAC name of methyl phenyl amine​

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ANSWER:

The IUPAC name of METHYL PHENYL amine​ is methenamine.

Hope this HELPS you.

34.

(C) Complete the equation.(1) 2cu = H2O+ CO2 +, 02,_____CuCO2(2) s+o2​

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ANSWER:

THANKS for the POINTS thanks for the points

35.

Write orbital notation of electron in orbital withi following quantum number.a)n=2,I=1​

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Answer:

2P

Explanation:

THUS for n=2, l=1 and the  ORBITAL NOTATION will be 2p.

36.

Solve questions all please​

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ANSWER:

bnxmk KJN vhjjk nsuiedjm KKK

37.

What are the harmful effects of spam? ​

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Answer:

BEYOND the annoyance and the TIME wasted sifting through unwanted messages, spam can cause significant harm by infecting USERS' computers with malicious software capable of damaging systems and STEALING PERSONAL information. It also can consume network resources.

Explanation:

38.

How will you separate the mixture of acetone (b.p.329 K) and methyl alcohol (b.p.337.1 K) from each other?​

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Answer:

Fractional DISTILLATION is EMPLOYED for a separating mixture of two or more volatile liquids having boiling points close to each other. Acetone has a boiling POINT 60∘ C, WHEREAS methanol has a boiling point of 65∘ C. Hence, it can be SEPARATED by fractional distillation.

Explanation:

39.

What is the oxidation state of S in H2S2O6​

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ANSWER:

H2S2O6 = 0 (SUM OF THE OXIDATION NO. OF ALL THE ELEMENTS IN A COMPOUND IS ZERO.) HENCE THE OXIDATION NUMBER OF SULPHUR IS 3.

Explanation:

40.

If n=3,what are the values of quantum numbers I and m?​

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ANSWER:

I don't KNOW this answer

41.

Used as a superconductor.i) Fullereneii) Cokeiii) Diamond​

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ANSWER:

SECOND is CORRECT answer

42.

Ionisation potential of pottasium is _____ than sodium​

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Answer:

  • I hope it HELP will
  • The IONISATION POTENTIAL of Potassium is less than that of sodium.
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43.

Two elements 12/6C and 16/8O form a compound 'z' which is required during thephotosynthesis by plants and is necessary for life.​

Answer»

Answer:  

Mg,Fe,Mn,Cu,Cl,P

Explanation:

Magnesium plays an important role in the PROCESS of photosynthesis because it forms the central atom of chlorophyll. Iron is required for the synthesis of chlorophyll and several electron transport proteins. Manganese is required in the photolysis of water during the process of photosynthesis. Copper participates in numerous physiological PROCESSES and is an essential cofactor for many metalloproteins. When EXCESS copper is present in cells, it inhibits plant GROWTH and impairs important cellular processes i.e., PHOTOSYNTHETIC electron transport. Chlorine is an essential co-factor for photosynthesis. It also functions in the photolysis of water. Phosphorous helps in the process of photosynthesis by producing sugars and starch during the process and also helps in the conversion of these sugars into energy during the process of respiration. So the answer is Mg,Fe,Mn,Cu,Cl,P

44.

Write the relationship between molar Solubility (S) and solubility product (ksp) for CaF2​

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Answer:

What is the relationship between KSP and molar solubility?

A substance's solubility product (Ksp) is the ratio of CONCENTRATIONS at equilibrium. Molar solubility, which is directly related to the solubility product, is the number of MOLES of the solute that can be dissolved per LITER of SOLUTION before the solution becomes saturated.

Explanation:

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45.

Can mobile phase moves over stationary​

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ANSWER:

solid or liquid) as a mobile phase (a liquid or GAS) passes over the stationary phase. CHROMATOGRAPHY USUALLY is divided into TWO categories depending on the type of mobile phase that is used.

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46.

Distinguish between CH3CHOHCH3 and CH2OHC6H5​

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ANSWER:

hdjdksskkxkdkdksksksododidsoso

47.

ToThe density of copper metal is 8.95 g cm3. If the radius of copper atom is 127 pm, is thecopper unit cell a simple cubic, a body-centred cubic or a face centred cubic structure?(Given at mass of Cu = 63 54 g mot-1 and NA = 6 02 * 1023 mot-11calculate Zia? by putting the values given in the question(Hint: 4-100 using value of Zla). 74% results the foc unit cells)Calculate PE by​

Answer»

ANSWER:

2 is a CORRECT answer YES 2

48.

Explain types of proteins based on molecular shape.​

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ANSWER:

On the basis of molecular shape, proteins are classified into two types—fibrous proteins and globular proteins. ... They are FOLDED to form a spherical shape, have intramolecular hydrogen bonding and have weak INTERMOLECULAR forces as compared to fibrous proteins

49.

primary alcohols react slower to substitution by halide group in comparison to secondary and tertiary alcohols.why??​

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Answer:

The use of thionyl chloride for converting alcohols to alkyl chlorides has the added benefit that both of the by-products, sulfur DIOXIDE and hydrogen chloride, are gases. This characteristic simplifies the isolation and purification of the reaction product.

In the laboratory, one can test for the presence of alcohols with Lucas reagent (a mixture of concentrated hydrochloric acid and zinc chloride). Lucas reagent converts alcohols to alkyl chlorides: tertiary alcohols GIVE an immediate reaction, INDICATED when the alcohol solution turns cloudy; secondary alcohols usually show evidence of reacting within FIVE minutes; primary alcohols do not react to any SIGNIFICANT extent. Thus, Lucas reagent can help distinguish among primary, secondary and tertiary alcohols.

Explanation:

hope it helps

50.

CH4+=CO2+ 2H20H202.00002020​

Answer»

Explanation:

2 0 2 is the ANSWER for above QUESTION