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Quiz on Catalysis

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

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

a)

Catalytic Promoter

b)

Catalytic Inhibitor

c)

Catalyst

d)

None

2.

The process in which catalyst and reactant are in different phase is known as

a)

homogeneous catalysis

b)

heterogeneous catalysis

c)

hypergeneous catalysis

d)

hypogeneous catalysis

3.

When product acts as a catalyst then it is called as

a)

homo catalyst

b)

positive catalyst

c)

negative catalyst

d)

autocatalyst

4.

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

a)

Homogeneous catalysis

b)

Heterogeneous catalysis

c)

Auto catalysis

d)

hypergeneous catalysis

5.

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

a)

Disastase

b)

Maltas

c)

Zymase

d)

Starch

6.

Which of the following is used as a catalyst in the haber process?

a)

V2O5

b)

Fe

c)

Ag2O

d)

SO3

7.

Which one of the following is not an example for heterogenous catalysis?

a)

Hydrogenation of oil

b)

Manufacture of ammonia by Haber's process

c)

Manufacture of sulphuric acid by Contact process

d)

Hydrolysis of sucrose in presence of dilute hydrochloric acid

8.

catalytic poison in contact process

a)

Pt

b)

As2O3

c)

Fe

d)

H2S

9.

In ester hydrolysis, initally, the rate of the reaction is very slow. But after some time the rate increases because of presence of

a)

ester

b)

water

c)

acetic acid

d)

HCl

10.

A substance that increases the rate of a reaction without being used up during the reaction is called a

a)

catalyst

b)

product

c)

reactant

d)

solute