Chemistry - Questions and Answers, General Study (GK)

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Chemistry - Questions and AnswersPage 27

261.

Lead is soluble in

(a)CH₃COOH

(b)H₂SO₄

(c)HNO₃

(d)HCl

Comment

Answer is: CNA

262.

Which one of the following is also called stranger gas?

(a)Argon

(b)Neon

(c)Nitrous oxide

(d)Xenon

Comment

Answer is: DNA

263.

Which one of the following formed from sea water?

(a)Halogen

(b)Chlorine

(c)Oxygen

(d)Sulphur

Comment

Answer is: ANA

264.

The most reactive among the halogen is

(a)Fluorine

(b)Chlorine

(c)Bromine

(d)Iodine

Comment

Answer is: ANA

265.

Which noble gas was discovered in chromosphere of the sun?

(a)Neon

(b)Helium

(c)Xenon

(d)Radon

Comment

Answer is: BNA

266.

Bleaching powder is obtained by the action of chlorine gas and

(a)Dry CO

(b)Dil. Solution of Ca(OH)₂

(c)Dry slaked lime

(d)Conc. Solution of Ca(OH)₂

Comment

Answer is: CNA

267.

The radioactive noble gas is

(a)He

(b)Xe

(c)Rn

(d)Ne

Comment

Answer is: CNA

268.

Carbogen is

(a)Mixture of CO+CO₂

(b)Mixture of O₂+CO₂

(c)Pure form of carbon

(d)Unsaturated organic compound

Comment

Answer is: BNA

269.

Dry ice is

(a)H₂S (s)

(b)NH₃(g)

(c)CO₂ (s)

(d)PH₃ (g)

Comment

Answer is: CNA

270.

Carbon monoxide is a poisonous gas the antidote used for this poisoning is

(a)Pure oxygen

(b)Carbonic acid

(c)Carborundum

(d)Carbogen

Comment

Answer is: DNA

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Chemistry - Questions and AnswersPage 27

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