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Practice Test on Basic Chemistry

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Molecules which have permanent dipole are known as

a)

polar

b)

dipolar

c)

non polar

d)

tripolar

2.

To form anion, non-metal atom.......

a)

looses electrons

b)

gain electrons

c)

looses protons

d)

gain protons

3.

Unit cell is smallest building unit of ........

a)

Crystal lattice

b)

Liquids

c)

gases

d)

none of the above

4.

Which of the following is an amorphous solid?

a)

Diamond

b)

glass

c)

sodium chloride

d)

HgS

5.

The co-ordination number of BCCstructure is

a)

4

b)

6

c)

8

d)

12

6.

When catalyst and reactants are in the same phase then it is called.....

a)

homogeneous catalysis

b)

heterogeneous catalysis

c)

autocatalysis

d)

negative catalysis

7.

Covalent compounds are

a)

good conductors of electricity

b)

non conductors of electricity

c)

poor conductors of electricity

d)

none of above

8.

Electrovalent bond is another name of.......

a)

Metallic bond

b)

Covalent bond

c)

Ionic bond

d)

Co-ordinate bond

9.

Number of electron pair shared in N2 molecule is _____

a)

One

b)

Two

c)

Three

d)

Four

10.

In the reaction, X shows_______

a)
b)
c)
d)
11.

In manufacturing of Ammonia by Haber's process role of Molybdenum is

a)

a. Catalytic Promoter

b)

b. Catalytic Inhibitor

c)

c. Catalyst

d)

d. None

12.

In manufacture of vanaspati ghee from hydrogenation of oil, the catalyst used is

a)

Ni

b)

Pt

c)

Cu

d)

Fe

13.

When product acts as a catalyst then it is called as

a)

a. homo catalyst

b)

b. positive catalyst

c)

c. negative catalyst

d)

d. auto catalyst

14.

The contact process of manufacturing of sulphuric acid using Pt as catalyst is example of.......

a)

a. Homogeneous catalysis

b)

b. Heterogeneous catalysis

c)

c. Auto catalysis

d)

d. hypergeneous catalysis

15.

In the manufacturing of ethyl alcohol by fermentation of sugar ...........is used as catalyst

a)

a. Disastase

b)

b. Maltase

c)

c. Zymase

d)

d. Starch

16.

Conduction of electricity in metallic bonding is due to presence of .........

a)

a. protons

b)

b. lattice

c)

c. delocalised electrons

d)

d. nucleus

17.

When last orbit of an element is removed, remainder is called.....

a)

a. Kernel

b)

b. Lattice

c)

c. Plane

d)

d. Orbital

18.

Corrosion is example of ..........

a)

Oxidation

b)

Reduction

c)

Electrolysis

d)

Erosion

19.

Oxidation-reduction reaction involve transfer of ......

a)

a. protons

b)

b.neutrons

c)

c. electrons

d)

d. None

20.

Identify the compound formed by mutual sharing of electrons

a)

a. Electrovalent

b)

b. Ionic

c)

c. Coordinate

d)

d. Covalent