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

Which of the following compounds has the lowest anion to cation size ratio?

Choose an answer

LiF

NaF

CsI

CsF

Skip

Question # 2

Phosphide ion has the electronic structure similar to that of

Choose an answer

Nitride ion

Fluoride ion

Sodium ion

Chloride ion

Skip

Question # 3

Carbon atom holding halogen in aryl halides is

Choose an answer

Sp²-hybridesed

Sp³-hybridesed

Sp-hybridesed

Sp³d -hybridesed

Skip

Question # 4

Which of the following statements is most appropriate about effective nuclear charge? It depends upon

Choose an answer

The shielding constant

The atomic number

The charge on the nucleus

Both the nuclear charge and the shielding constant

Skip

Question # 5

Evaporation of water is

Choose an answer

An exothermic change

An endothermic change

A process where no heat changes occur

A process accompanied by chemical

Skip

Question # 6

Wholer prepared ures from

Choose an answer

Ammonia

NH₄CNO

NH₃

uric acid

Skip

Question # 7

Which of the following units represents largest amount of energy?

Choose an answer

Calorie

Joule

Erg

Electron vol.

Skip

Question # 8

How many moles of Helium gas occupy 22.4 L at 0^oC at 1 atm.Pressure?

Choose an answer

0.11

0.90

1.0

1.11

Skip

Question # 9

Portland cement is manufactured by using

Choose an answer

Limestone,clay and sand

Limestone,gypsum and sand

Limestone,gypsum and alumina

Limestone,clay and gypsum

Skip

Question # 10

1 mole of CH₄ contains

Choose an answer

6.02 x 10²³ atoms of H

4 g-atom of hydrogen

1.81 x 1023 molecules of CH₄

3.0 g of carbon

Skip

Question # 11

Which of the following is different from the other three oxides?

Choose an answer

MgO

SnO

ZnO

Cr₂O₃

Skip

Back