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Chemistry

Total questions: 8

Worksheet time: 3mins

Name
Class
Date
1.

The ratio of the change in the concentration of the reactants is known as

a)

instantaneous reaction

b)

Equilibrium

c)

average rate of reaction

d)

none of the above

2.

The instantaneous rate of reaction is the rate of the reaction at a particular moment of time.

a)

True

b)

False

3.

Which of the following are slow reactions?

a)

Inversion of glucose

b)

Rusting of iron

c)

Coal formation

d)

Dissolving salt in water

4.

The given reaction is an example of

a)

instantaneous reaction

b)

fast reaction

c)

moderate reaction

d)

slow reaction

5.

Rate of disappearance of the reactant can be expressed as

a)

−Δ[R]/Δt

b)

Δ[R]/Δt

c)

Δ[P]/Δt

d)

−Δ[P]/Δt

6.

The given image show the precipitation of silver chloride which is a

a)

slow reaction

b)

instantaneous reaction

c)

fast reaction

d)

moderate reaction

7.

The instantaneous rate of reaction is

a)

rate of an exothermic reaction

b)

the rate of the reaction over a period of time.

c)

the rate of the reaction at a particular moment of time.

d)

a reaction that takes place in the presence of a catalyst.

8.

Rate of appearance of the products can be expressed as

a)

−Δ[R]/Δt

b)

Δ[R]/Δt

c)

Δ[P]/Δt

d)

−Δ[P]/Δt