Free Printable MASTEREACTION QUIZ

1.

Which factor does not affect the rate of reaction?

a)

Size of the solid reactant

b)

Volume of the reactant

c)

Concentration of the reactant

d)

Temperature of the reactant

2.

Which of the following acids produces the highest initial rate of reaction when 1 g of calcium carbonate powder is added into it?

a)

$50.0\ cm^{3\ }1.0\ mol\ dm^{-3}\ nitric\ acid$

b)

$50.0\ cm^{3\ }1.0\ mol\ dm^{-3}\ sulphuric\ acid$

c)

$50.0\ cm^{3\ }1.0\ mol\ dm^{-3}\ ethanoic\ acid$

d)

$100.0\ cm^{3\ }1.0\ mol\ dm^{-3}\ hydrochloric\ acid$

3.

A student carries out an experiment to study the effect of concentrations on the rate of reaction. Different concentration of sodium thiosulphate solution is used to react with sulphuric acid. Which graph shows the result of the experiment?

a)

b)

c)

d)

4.

Table 6 shows the conditions of reactants used in experiment I and II.

Which graph shows the correct curves for experiment I and II.

a)

b)

c)

d)

5.

An experiment is carried out to study the rate of reaction between marble and hydrochloric acid to produce carbon dioxide gas.

Which of the following graphs represents the two experiments?

a)

b)

c)

d)

6.

The following equation shows the reaction between zinc powder and hydrochloric acid.

$Zn_{\left(s\right)}+2HCl_{\left(aq\right)}\rightarrow ZnCl_{2\ \left(aq\right)}+H_{2\ \left(g\right)}$

How can you increase the rate of production of hydrogen gas?

a)

increase the size of the zinc

b)

adding more water to the acid

c)

drop a few drop of iron (II) sulphate solution

d)

heat the hydrochloric acid before adding with the zinc

7.

Which of the following is the characteristic of a catalyst?

a)

any catalyst can catalyse the reaction

b)

help to increase the quantity of the product

c)

the mass of the catalyst remains the same after the reaction

d)

the physical state of the catalyst remain unchanged after the reaction

8.

The following equation represents the decomposition of hydrogen peroxide, $H_2O_2$

$2H_2O_{2\ \left(aq\right)}\rightarrow O_{2\ \left(g\right)}+2H_2O_{\left(l\right)}$

2g of manganese (IV) oxide, $MnO_2$ is added to the hydrogen peroxide. What is the purpose of adding manganese (IV) oxide to hydrogen peroxide?

a)

to provide more heat

b)

to reduce the volume of the hydrogen peroxide used

c)

to increase the concentration of the hydrogen peroxide

d)

to increase the rate of decomposition of hydrogen peroxide

9.

Which of the following salt has the highest rate of solubility when dissolved in distilled water?

a)

dissolve 2 g of fine salts in 100 $cm^3$ of distilled water

b)

dissolve 3g of fine salt in 200 $cm^3$ of distilled water

c)

dissolve 2g of coarse salt in 100 $cm^3$ of distilled water

d)

dissolve 3g of coarse salt in 200 $cm^3$ of distilled water

10.

The following equation represnts the reaction between zinc and hydrochloric acid.

$Zn_{\left(s\right)}+2HCl_{\left(aq\right)}\rightarrow ZnCl_{2\ \left(aq\right)}+H_{2\ \left(g\right)}$

Which method is the most suitable to increase the rate of reaction?

a)

reduce the size of the zinc

b)

reduce the volume of the hydrochloric acid

c)

lower the temperatur of the hydrochloric acid

d)

dilute the concentration of the hydrochloric acid

MASTEREACTION QUIZ

Total questions: 10

Worksheet time: 30mins

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