Explore topic-wise InterviewSolutions in Current Affairs.

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ong>Answer:

An ORBIT is the SIMPLE planar representation of an electron. An orbital refers to the dimensional motion of an electron around the nucleus in a three-dimensional motion. An orbital can SIMPLY be defined as the SPACE or the region where the electron is likely to be found the most.

फोटोग्राफी रंगीन फोटो फिल्म को साफ करने में आक्जैलिक अम्ल प्रयोग किया जाता है।

ong>Answer:

Matter is the "stuff" that makes up the universe — everything that takes up space and has mass is matter.

Matter can be classified according to physical and chemical PROPERTIES. Matter is anything that occupies space and has mass. The three states of matter are solid, liquid, and gas. A physical change involves the conversion of a substance from one state of matter to another, without changing its chemical composition. Most matter consists of MIXTURES of PURE SUBSTANCES, which can be homogeneous (uniform in composition) or heterogeneous (DIFFERENT regions possess different compositions and properties). Pure substances can be either chemical compounds or elements. Compounds can be broken down into elements by chemical reactions, but elements cannot be separated into simpler substances by chemical means.

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Explanation:

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ong>Answer:

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Explanation:

Phenol is more acidic than alcohols due to STABILISATION of phenoxide ION through RESONANCE. Presence of electron withdrawing GROUP increases the acidity of phenol by , STABILISING phenoxide ion while presence of electron releasing group decreases the acidity of phenol by destabilising phenoxide ion.

3 METERS only not KILO METER

CRISS cross method cross multiplication method.

Explanation:

thats how you USE criss cross method.^{ refer the picture above}

ong>Answer:

Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.In general a physical CHANGE is REVERSIBLE USING physical means. For EXAMPLE, salt dissolved in water can be RECOVERED by allowing the water to evaporate.

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EXPLANATION:

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ong>ANSWER:

silicon.

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Shearing, also known as die cutting, is a process which CUTS stock without the formation of chips or the use of burning or melting. ... Shearing-type operations include: blanking, PIERCING, roll slitting, and trimming.

I didn't UNDERSTAND this LANGUAGE

I didn't UNDERSTAND your QUESTION.....

ong>Answer:

False

EXPLANATION:

Because gain of Electron is reduction.

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ong>Answer:

ELECTROLYTIC DECOMPOSITION reaction

Electrolytic decomposition reactionAn electrolytic decomposition reaction is a type of decomposition reaction in which the activation energy for decomposition is provided in the FORM of ELECTRICAL energy.

.......

oil STAINS.... sometimes RUST too!

ong>ANSWER:

Answer is 4 Because in Rhs it is BALANCED with 4 atoms

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One mole of oxygen gas, which has the FORMULA O2, has a mass of 32 g and contains 6.02 X 1023 MOLECULES of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) ATOMS, because each molecule of oxygen contains two oxygen atoms.

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ong>Answer:

c OPTIONS is RIGHT answer

Atomic volumes in cubic angstroms. PHASE, Crystal Structure, DENSITY (g/cm3). alpha (α), simple monoclinic, 19.86

no tell answer okay

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EXPLANATION:

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Atoms exist in free states in the form of molecule. ... Molecules may be FORMED by the combination of atoms of TWO or more different elements. For example molecule of water. It is formed by the combination of two atoms of hydrogen and one atom of oxygen.

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(11.11)(EXPORT) of the QUESTION

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ong>ANSWER:

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ong>Answer:

The form of the cells, their SENSITIVITY, stability and STANDARDIZATION are important. Photoelectric cells are sensitive to ultraviolet and to visible light except red. In the red the sensitivity is almost nil; it is only slight in the orange.

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ong>Answer:

Vapour pressure correlates with boiling point INVERSELY. In this case LIQUID A has a lower boiling point and thus will have higher vapour pressure. Since liquid A has a lower boiling point you can assume that its inter-molecular forces are WEAKER. THEREFORE, it is much more likely to become a vapour at lower temperatures and more vapour means more pressure.

Explanation:

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ent EVAPORATION method is which TYPE of MICRO encapsulatipn techniqie is CHEMICAL

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b) metal : sodium

non metal : OXYGEN

C) anion : sodium

CATION : oxygen

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CATHODE RAYS (also called an electron beam or an e-beam) are streams of electrons observed in vacuum tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, the glass opposite the negative electrode is observed to GLOW from electrons emitted from the cathode.

COTTON

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ong>ANSWER:

DUCTILITY is the process by which metals can be DRAWN into wires

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ong>Answer:

Ice>WATER>VAPOUR>RAIN

ong>ANSWER:

Since there's two chromium atoms per MOLECULE of K DICHROMATE (MWt=294) & each Cr GOES from +6 to +3 upon reduction, the equivalent weight of that salt is 294/6 or 49 g.

Explanation:

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ong>Geometric ISOMERS: A form of isomerism displayed by unsaturated compounds or by ring compounds, where ROTATION about a carbon bond is restricted, as in cis and trans configurations.

CH 3 CHClCH 2 Cl , 1,2-dichloropropane

its 1- Chloropentane- Molecular Formula, C5H11Cl

ong>Answer:

Here's your answer!

Explanation:

श्री कृष्ण का सौंदर्य अत्यंत मोहने वाला है।श्री कृष्ण जब वृंदावन में गाय चराते हैं तो बहुत प्यारे लगते है।श्री कृष्ण जब पीले वस्त्र , मोर का मुकुट , और गले में वैजयंती माला पहनकर राधा के साथ बांसुरी बजाते है तो बहुत ही प्यारे लगते है।

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Explanation:

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ong>ANSWER:

Conclusion of OBJECTIVES BOOKING KEEPING system

☺️★‡”’::;!!

Answer. The energy of the ELECTRON in the second and third Bohr's orbitals of the hydrogen ATOM is -5.42×10-12erg and -2.42×10-12erg respectively ,CALCULATE the WAVELENGTH of the emitted radiation when the electron drop from the third to the second orbit.

A. Sublimation

B.Centrifugation

C.Filtering

D.Centrifugation

Nonpolar COVALENT bonds are a type of chemical bond where two atoms share a pair of ELECTRONS with each other. Polar covalent bonding is a type of chemical bond where a pair of electrons is unequally SHARED between two atoms.

ong>Explanation:

1) H2 (g) + CL2 (g) - 2HCL (g)

2) 2 Na +2H2O - 2NAOH + H2

3) 3Bacl + AL2 ( SO)4 - 3BaSo4 + 2Alcl3

ong>Answer:

Explanation:

• Pressure (P) = 0.76 bar
• Volume (V) = 0.45 L
• Temperature (T) = 67° C

• Number of molecules of the GAS

→ First convert the temperature from °C to K

  67° C = 67 + 273.15 = 340.15 K

→ Now convert the pressure from bar to atm

  0.76 bar = 0.75 atm

→ Now we have to find the number of moles of gas

→ By IDEAL gas EQUATION we know that,

  PV =  n R T

  where R is the gas constant and the value of R = 0.0821 L atm mol⁻¹ K⁻¹

→ Substitute the given datas

   0.75 atm × 0.45 L = n × 0.0821 L atm mol⁻¹ K⁻¹ × 340.15 K

   n = (0.3375/27.926) mol

   n = 0.012 mol

→ Hence the number of moles of gas is 0.012 moles.

→ Now the number of molecules of gas is given by

  Number of molecules of gas = number of moles × Avogadro's number

  where Avogadro's number = 6.022 × 10²³

→ Substituting the values,

  Number of molecules = 0.012 × 6.022 × 10 ²³

  Number of molecules = 0.072 × 10²³

  Number of molecules = 7.2 × 10²¹ molecules

→ The ideal gas equation is given by

   PV = n R T

   where P is the pressure, V = volume, n = number of moles, R = gas constant, T = temperature

ong>ANSWER:

FIRST answer is Max second answer is Lumax THIRD answer is Max FOURTH answer is a a EXPLANATION V answer is a transformation

ong>Answer:

(i) : Copper sulphate reacts with barium chloride to form white precipitate of barium sulphate.

CUSO

4

+BACL

2

⟶BaSO

4

(whiteppt)+CuCl

2

White precipitate of BaSO

4

is INSOLUBLE in DILUTE HCL.

(ii) : 2CuSO

4

+4KI⟶Cu

2

I

2

↓(browncolor)+I

2

+2K

2

SO

4

It turns white on addition of excess of hypo.

(iii) : Copper sulphate reacts with potassium ferrocyanide to obtain chocolate coloured precipitate of cupric ferrocyanide.

2CuSO

4

+K

4

[Fe(CN)

6

]⟶Cu

2

[Fe(CN)

6

](chocolatecolouredprecipitate)+2K

2

SO

4

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