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 Engineering Chemistry MCQs With Answers

Question # 1

By using the fluted filter paper rate of filtration is

Choose an answer

Increased

Decreased

Filtration is constant

Having no effect

Skip

Question # 2

Which one is not a pollutant normally?

Choose an answer

Hydrocarbons

Carbon dioxide

Carbon monoxide

Sulphur dioxide

Skip

Question # 3

Which of the following geometry is associated with the compound in which the central atom assumes sp³ d hybridization?

Choose an answer

Planar

Pyramidal

Angular

Trigonal bipyramidal

Skip

Question # 4

Propyne on hydrolysis in presence of H₂SO₄ and HgSO₄ gives

Choose an answer

Acetaldehyde

Actone

Formaldehyde

None

Skip

Question # 5

The ratio of the ionization energy of H and Be³⁺ is

Choose an answer

1 : 1

1 : 3

1 : 9

1 : 16

Skip

Question # 6

The symbol of the element whose atoms have the outer most electronic configuration 2s² 2p³ is

Choose an answer

Skip

Question # 7

Which of the following belongs to the halogen family?

Choose an answer

Francium

Polonium

Radium

Astatine

Skip

Question # 8

Formic acid is obtained when

Choose an answer

Calcium acetate is heated with conc.H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Acetaldehyde is oxidized with K₂CrO₇and H₂SO₄

Skip

Question # 9

Which of the following substances is used as an antiknock compound?

Choose an answer

Tetraethyl lead

Lead tetrachloride

Lead acetate

Ethyl acetate

Skip

Question # 10

All the naturally occurring processes proceed spontaneously in a direction which lead to

Choose an answer

Decrease of entropy

Increase of enthalpy

Increase of free energy

Decrease of free energy

Skip

Question # 11

Which of the following alkali metal hydroxides is the strongest base?

Choose an answer

LiOH

NaOH

KOH

CaOH

Skip

Back