Explore topic-wise InterviewSolutions in Current Affairs.

ANSWER:

A shopkeeper bought 50 English books at the COST of rupees 2000 PER 25 books and 75 Mathematics books at the cost of rupees 1500 per 15 books. Find:

(a) The cost price of the English books.

(b) The cost price of the Mathematics books.

(c) The cost price of all English and Mathematics books.

(d) If he SOLD the English books at rupees 95 per book, find his profit in English books.

(e) If he sold the Mathematics books at rupees 95 per book, find his profit or loss in Mathematics books.

about chemical equation you will get lots of videos on youtube you can see and learn from their but the MAIN THING let me tell you

In a chemical equation, the REACTANTS are written on the left, and the products are written on the right. The coefficients next to the symbols of entities indicate the number of moles of a substance produced or used in the chemical reaction.

Please mark my ANSWER as brainliest answer

Answer:

VERY big QUESTION

pls MAKE it SHORT

ANSWER:

A) FE 2+(z=26) is your answer

Here’s your ANSWER
PLS MARK It as BRAINLIST

Answer:

Direct conversion of a carboxylic acid to an amide by REACTION with ... Taking acetamide (ethanamide) as a TYPICAL amide.

jai hind

please FOLLOW m

Answer:

This ATOMIC model failed to explain stability of atoms. ACCORDING to the model, electrons revolve around the positively CHARGED nucleus. It's not possible for a long run as we know atoms are stable while any particle in a circular ORBIT would undergo acceleration.

Answer:

LE Chatelier's principle (ALSO known as "Chatelier's principle" or "The Equilibrium Law") states that when a system EXPERIENCES a disturbance (such as concentration, temperature, or pressure changes), it will respond to RESTORE a new equilibrium state.

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

Answer:

(ɑ) The chemicɑl equɑtion is:

2FeSO4 ➪ Fe2O3+SO2+SO3

(B) The TYPE of reɑction tɑking plɑce is "DECOMPOSITION reɑction" Since heɑt is USED ɑnd it is ɑlso known ɑs thermɑl decomposition reɑction.

꧁ɧσ℘ε ıtร ɧεɭ℘ ყσน꧂

ANSWER:

Explanation:

sebaceous glands are holocrine glands that produce sebum, a semiliquid mixture of glandular cell debris containing glycerides, free fatty acids, WAX esters, squalene, CHOLESTEROL, and cholesterol esters.

Sebaceous glands are present everywhere on the human skin except for the palms, soles, and dorsa of the feet.

Generally, they are associated with hair FOLLICLES and empty through a short duct

into the canal of the hair follicle.1 The sebaceous glands are holocrine glands that produce sebum,

a semiliquid mixture of glandular cell debris containing glycerides, free fatty acids, wax esters

, squalene, cholesterol, and cholesterol esters. The LARGEST and most numerous sebaceous glands are found on the face, scalp, chest, and back.

____________________

QUESTION

Find the kinetic energy of an ELECTRON (in EV) emitted by a metal when light of wavelength 3105 angstrom falls on it

threshold wavelength is 6210 angstrom)

ANSWER

E = 0.1eV

Answer:

i)CaO= calcium oxide

ii)CaO+H2O=Ca(OH)2

SUBSTANCE X can't be Ca(OH)2 because in QUESTION the substance is asked not the solution (mixture of a substance and a liquid). So the substance is CaO and it's solution with water is Ca(OH)2.

Hope it helps.

ANSWER:

na cl

Explanation:

(a) OPTION is CORRECT

SOLUTION. (a) ATOMIC no. of the ELEMENT = 18.

Answer:

Explanation:

(i) GROUP 13 has a greater atomic size as when going down a group, the atomic size increases, so an extra shell with electrons is added, and the poor SHIELDING effect is observed.

Group14- These have a covalent radius, and a small radius is observed, and the presence of the shielding effect is high as there are completely filled d and f orbitals.

(ii) The ionization enthalpy is unaffected by the group, and it decreases with increase in size. Group 13 has erratic ionization enthalpy as the nuclear charge is complemented by the screening effect.  

Group 14 EXPERIENCES a high ionization enthalpy, and it subsequently decreases and due to the poor shielding effect.

(iii) All elements in group 13 are non-metallic except Boron, and the shielding effect is responsible for the low metallic character.  

Group 14 has Sn and Pb as metals and the metallic character increases on going down the group, so the carbon is classified as a non-metal and all others are metalloids

(iv) Group 13 has prevalent +3 oxidation states due to the lone pairs but slowly change to +1 as the group order persist  

Group14 has + 4, and +2 oxidation states and the enthalpies are high, and they are covalent in nature.

(v)Group 13 forms trihalides and some electron ACCEPTORS act as Lewis Acids.  

Group 14 forms Halides by accepting electrons or sharing, making them covalent compounds.

Answer:

1. Atom, smallest unit into which matter can be divided without the release of electrically CHARGED particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry.
2. Mass is both a PROPERTY of a physical BODY and a measure of its resistance to acceleration (a change in its state of MOTION) when a net force is applied. An object's mass also determines the strength of its gravitational attraction to other bodies. The basic SI unit of mass is the kilogram (kg).
3. one of two or more forms of a chemical element that have different physical characteristics but the same chemical characteristics
4. Isobars are elemnts which have different atomic NUMBERS but the same mass number. They are different chemical elements.

Explanation:

hope It helps

Answer:

1.Ammonia and OXYGEN without catalyst | NH3 + O2 → N2 + H2O. With supply of heat, ammonia REACTS with oxygen and produce NITROGEN gas and water as products. Nitrogen of ammonia is oxidized to nitrogen gas from -3 oxidation state to 0 oxidation state.

2.Ammonium nitrate, (NH4NO3), a salt of ammonia and nitric acid, used widely in fertilizers and EXPLOSIVES. The commercial grade contains about 33.5 percent nitrogen, all of which is in forms utilizable by PLANTS; it is the most common nitrogenous component of artificial fertilizers.

ANSWER:

PLEASE WRITE in ENGLISH

...

C. 80

Explanation:

100% CORRECT answer

Hope it's HELPFUL ✌️✌️

ANSWER:

BAHUT BDI REACTION TIME lgna

Answer:-

The formula of 'X' is MgAl₂O₄ [Option.B]

Explanation:-

→ Charge of MAGNESIUM ion = +2

→ Charge of Aluminium ion = +3

→ Charge of Oxide ion = -2

Now, we know that net charge of an ionic compound is ALWAYS zero. So among the given options, the compound having net charge zero will be the answer.

For Option (a):-

Net charge :-

= 2(+2) + 1(+3) + 4(-2)

= 4 + 3 - 8

= -1

For option (b):-

Net charge :-

= 1(+2) + 2(+3) + 4(-2)

= 2 + 6 - 8

= 0

For option (c):-

Net charge :-

= 1(+2) + 1(+3) + 4(-2)

= 2 + 3 - 8

= -3

For option (d):-

Net charge :-

= 4(+2) + 1(+3) + 4(-2)

= 8 + 3 - 8

= +3

________________________________

The net charge in MgAl₂O₄ is zero, so it is the required answer!

ANSWER:

YOUR ANSWER IS THIS.

THANKYOU.

ANSWER:

iii) because iron have more SPECIFIC heat capacity than others , while we know that iron GAIN heat slowly and lost heat slowly, when iron sphere gone in wax its have much heat than other and gone deepest than AMONGST three

ANSWER:

c

EXPLANATION:

how MUCH product was FOUND in the lab

ASSERTION is CORRECT but REASON is WRONG

(अ) सातखण्डीय सेल

नेमेटिक एवं कोलिस्ट्रिक प्रावस्थाओं की संरचना, उष्माग्राफी और सात खण्डीय सेल।

(i) परिमेय घातांक का नियम

(II) सममिति का नियम । क्रिस्टल में सममिति तत्व, आयनिक ठोस संरचना, त्रिज्या अनुपात, त्रिज्या अनुपात प्रभाव और उप सहसंयोजक संख्या। त्रिज्या अनुपात की कमियाँ और जालक दोष।

(ब) हाइड्रोजन बन्ध

हाइड्रोजन बन्ध एक इलेक्ट्रोनेगेटिव परमाणु और नाइट्रोजन, ऑक्सीजन या फ्लोरीन से जुड़े एक हाइड्रोजन परमाणु के बीच डाइपोल-डाइपोल बल का परिणाम होता है। हाइड्रोजन बन्ध की ऊर्जा एक मन्द संयोजी बन्ध से तुलनीय होती है। एक खास संयोजी बन्ध अन्तराण्विक हाइड्रोजन बन्ध से लगभग २० गुना शक्तिशाली होता है।

ANSWER:

JJD dhehe ehhehe ejehe bebebe

ANSWER:

OPTION a is CORRECT. on ALKENE or METHYLENE Ch2=CH2

Explanation:

In chemistry, yield, also REFERRED to as REACTION yield, is a measure of the QUANTITY of MOLES of a product formed in relation to the reactant CONSUMED, obtained in a chemical reaction, usually expressed as a percentage.

Answer:

Gas and LIQUID

EXPLANATION:

mark me as BRAINLESS.

EXPLANATION:

The EFFICIENCY of the REACTION

ANSWER:

NAI pata iska answer YE toh SUDH Hindi hai ya SANSKRIT

ANSWER:

A)CONTAMINATED with PESTICIDES

Explanation:

3. Which of the hydrocarbon does not UNDERGO isomerism in the following?

D) C2H6

2 X 1

A) CsHe

B) CsH10

C) Cotia

YIN. ANSWER THE FOLLOWING QUESTIONS

Answer:

I) Metal- D(12, 24)

ii) An INERT gas- C(10, 20)

iii) A metalloid- B(14, 28)

IV) Element with ISOTOPES- A(1, 1)

Explanation:

just GOT HOME from school and the same way to be on the way to be on the same way to be on the same way to be on the same way to be 5

Given :

• Volume of Solution = 50 mL
• MOLARITY of solution = 0.1 M

To find :

Mass of silver NITRATE ( AgNO3 ) in MG

Formula used :

• Molarity = Number of mole of solute ÷ Volume of Solution in L
• Number of mole = given mass ÷ molar mass

Solution :

Molar mass of silver nitrate = ( 1 × Atomic mass of Ag) + ( 1 × Atomic mass of N ) + ( 3 × Atomic mass of O )

➝ Molar mass of silver nitrate = ( 1 × 108) + ( 1×14 ) + (3×16)

➝ Molar mass of silver nitrate = 108 + 14 + 48

➝ Molar mass of silver nitrate = 170 g/mol

________________________________

Molarity = Number of mole of solute ÷ Volume of Solution in L

➝ Number of mole of silver nitrate = Molarity × volume of solution in L

➝ Number of mole of silver nitrate = 0.1 × (50/1000)

➝ Number of mole of silver nitrate = 0.005 moles

________________________________

Number of mole = REQUIRED mass ÷ molar mass

➝ Required mass = Number of mole of silver nitrate × molar mass of silver nitrate

➝ Required mass = 0.005 × 170

➝ Required mass = 0.85g

➝ Required mass = 0.85g × 1000 mg/g

➝ Required mass = 850 mg

________________________________

ANSWER : 850 mg

Answer:

❍ Let the present ages of father and his son be 6x YEARS and X years respectively.

— After five years their ages;

Son's age = (x + 5) years

Father's age = (6x + 5) years

⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀

After five years, the ratio of their ages (father's age and son's age) will become 7: 2.

⠀⠀⠀⠀⠀

Therefore,

⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀

Hence,

Present age of son = x = 5 years.

Present age of father = 6x = 6(5) = 30 years.

⠀⠀⠀⠀⠀

Answer:

NH,I(s) NH,(g) + HI(g); K = 16 atm. In PRESENCE of

catalyst HI dissociates in H, and I, as 2H H+1,. If

partial pressure of H, at this temp is 1 atm in the container

when both the equilibrium exist simultaneously,

Answer:

Unsaturated hydrocarbons are hydrocarbons that have double or triple covalent bonds between adjacent carbon ATOMS. The term "unsaturated" means more hydrogen atoms may be ADDED to the HYDROCARBON to MAKE it saturated (i.e. consisting all single bonds).

Answer:

Qatar I have been working with on the internet for a while now so I you have to a few THINGS that I can GET from the SITE and that

Explanation:

Is a I use to get a new one in in order to make sure you are aware of the risks of being able to PROVIDE provide your business or a qualified professional business to provide provide you with the right candidate fit

m-nitrobenzoic acid is formed, when BENZOIC acid is treated with a mixture of CONC. HNO3 and conc. H2SO4 .

HOPE it will be HELPFUL MARK me as a BRAINLIEST

EXPLANATION:

रेजिना इंक्लेन यू अंडरस्टैंड ओके बाय टाटा अलविदा

Answer:

thus US very BAD LIKE it and SUBSCRIBE

PLEASE MARK AS BRAINLIST

Answer:

1) REMAIN constant

EXPLANATION:

because during electrolysis NONE of the IONS are LOST they get collected at terminals

2,4-bis(METHYL tert-butyl) pentane

maybe CORRECT.

ANSWER:

(1) 4-Formylhex-2-enoic ACID

Explanation:

there are 4 CH

and OH is the FUNCTIONAL grp

ANSWER:

what are HIMALYAS? SHOWING INTERESTING here FCI frdt kvq

Explanation: