Form 1, 2, & 3 Chemistry: Free Trial*

G. 8 & 9

Chemistry

F. 1, 2, & 3

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G. 8 & 9 / F. 1, 2, & 3

Chemistry: Free Trial*

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1 / 10

1. Which of the following metals do NOT react with water or steam?

A. Zinc

B. Aluminium

C. Tin

D. Copper

2 / 10

2. $2H_{2}SO_{4}$ means 2 molecules of sulphuric acid. They contain:

A. 4 hydrogen atoms, 2 sulphur atoms, 8 oxygen atoms

B. 2 hydrogen atoms, 1 sulphur atom, 4 oxygen atoms

C. 4 hydrogen atoms, 1 sulphur atom, 4 oxygen atoms

D. 4 hydrogen atoms, 4 sulphur atoms, 8 oxygen atoms

3 / 10

3. Which of these is NOT a compound?

A. Hydrochloric acid

B. Carbon monoxide

C. Propane

D. Chlorine

4 / 10

4. The smallest particle of carbon dioxide $CO_{2}$ is called ...

A. an atom

B. a molecule

C. an ion

D. a proton

5 / 10

5. Which is the correct formula equation?

A. $Mg + O \longrightarrow MgO$

B. $2Mg + O_{2} \longrightarrow 2MgO$

C. $Mg + O_{2} \longrightarrow MgO_{2}$

D. $2Mg + O_{2} \longrightarrow Mg_{2}O_{2}$

6 / 10

6. When a gas changes to a liquid, it ...

A. Boils

B. Condenses

C. Sublimes

D. Melts

7 / 10

7. Which of the following is the name for group 2 in the periodic table?

A. Alkaline earth metals

B. Alkali metals

C. Halogens

D. Noble gases

8 / 10

8. Which of the following is the name for group 8 in the periodic table?

A. Halogens

B. Alkali metals

C. Noble gases

D. Alkaline earth metals

9 / 10

9. The name given to the liquid which dissolves the solid in a solution is ...

A. Distillate

B. Solvent

C. Saturated

D. Soluble

10 / 10

10. Which of the following pH numbers indicates a strong alkali?

A. 14

B. 5

C. 9

D. 1

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