Question # 1

Which inorganic precipitate acts as semipermeable membrane?

Choose an answer

Calcium sulphate

Barium oxalate

Nickel phosphate

Copper ferrocyanide

Which of the following is not present in RNA?

Choose an answer

Uracil

Thymine

Ribose

Phosphate

A current of 9.65 ampere flowing for 10 minutes deposits 3.0 g of the metal which is monovalent the atomic mass of the metal is

Choose an answer

10

50

30

96.5

Which of the following is acidic?

Choose an answer

SO₃

N₂O

BeO

HgO

The number of atoms contained in 11.2 L of SO₂ at S.T.P are

Choose an answer

3/2 x 6.02 x 10²³

2 x 6.02 x 10²³

6.02 x 10²³

4 x 6.02 x 10²³

The number of atoms in 0.0004 g of magnesium is close to

Choose an answer

24

2 x 10²⁰

10²⁰

6.02 x 10²³

The rate at which a substance reacts depends on its

Choose an answer

Atomic weight

Equivalent weight

Molecular weight

Active mass

The substance used as a smoke screen in warfare is

Choose an answer

SiCI₄

PH₃

PCI₅

Acetylene

Which one is not usually used for the crystallization

Choose an answer

Acetone

Acetic acid

Sulphuric acid

Chloroform

Carbon atom holding halogen in aryl halides is

Choose an answer

Sp²-hybridesed

Sp³-hybridesed

Sp-hybridesed

Sp³d -hybridesed

Propyne on hydrolysis in presence of H₂SO₄ and HgSO₄ gives

Choose an answer

Acetaldehyde

Actone

Formaldehyde

None

More Classes

Other Links

NAT I Engineering Chemistry MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer