More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

NAT I Medical Chemistry MCQs With Answers

Question # 1

In the manufacture of iron from haematite,limestone is added to act as.

Choose an answer

Flux

A reducing

Slag

An oxidizing agent.

Skip

Question # 2

Ionic solids with defects contain

Choose an answer

Equal number of cation and anion vacancies

Interstitial anions and anion vacancies

Cation vacancies only

Cation vacancies and interstitial cations

Skip

Question # 3

In cold countries ethylene glycol is added to water in radiators of cars during winter It result in

Choose an answer

Lowering in b.pt.

Reducing viscosity

Reducing specific heat

Lowering in freezing pt.

Skip

Question # 4

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

96.5

Skip

Question # 5

Which of the following species participate in sulphonation of benzene ring?

Choose an answer

H₂SO₄

HSO^-₃

SO₃

SO^-₂

Skip

Question # 6

The substance used as a smoke screen in warfare is

Choose an answer

SiCI₄

PH₃

PCI₅

Acetylene

Skip

Question # 7

An endothermic reaction is one in which

Choose an answer

Heat is converted into electricity

Heat is obsorbed

Heat is evolved

Heat is converted into mechanical work

Skip

Question # 8

Calcium cyanamide on treatment with steam under pressure gives NH₃ and

Choose an answer

Calcium carbonate

Calcium hydroxide

Calcium oxide

Calcium bicarbonate

Skip

Question # 9

Bleaching action of bleaching powder is due to the liberation of

Choose an answer

O₂

OCI^-

CI₂

CI^-

Skip

Back