Chemistry MCQS with Answers Set 4

The total pressure exerted by a number of non reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as

Charle’s law

Avogadro’s law

Boyle’s law

Dalton’s law

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBH₄ or LiAIH₄?

1-Propanol

2-Propanol

Ethanol

2-Methyl-2-propanol

Dilute hydrochloric acid solution cannot be concentrated by boiling beyond

11%

33%

22%

44%

Which of the following has least mass?

2 gram atom of nitrogen

7.0 g of Ag.

1 mole of S

3 x 10²³ atoms of C

When sulphur is boiled with Na₂SO₃ solution the compound formed is

Sodium sulphates

Sodium sulphides

Sodium persulphate

Sodium thiosulphate

The percentage of oxygen in NaOH is

60

40

8

10

Vitamin A is present in

Green vegetables

Liver

All

Milk

Bleaching action of bleaching powder is due to the liberation of

CI₂

O₂

OCI^–

CI^–

A cell constant is generally found by measuring the conductivity of aqueous solution of

NaCI

KCI

BaCI₂

MgCI₂

The pore size of the filter paper depends upon

Size of the particles

Temperature of the medium

Mass of the particles

Nature of the medium