CHEMISTRY DEPARTMENT

WAID ACADEMY

Metals

Which of the metals shown can be found uncombined in the Earth's crust?

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1. Magnesium

2. Aluminium

3. Sodium

4. Copper

Which of the metals shown is extracted from its ore using electricity?

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1. Copper

2. Aluminium

3. Iron

4. Silver

Which metal is extracted from its ore by heating the ore with carbon in a Blast furnace?

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1. Iron

2. Gold

3. Aluminium

4. Silver

Which non-metal element is a conductor of electricity?

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1. Sulphur.

2. Phosphorus.

3. Iodine.

4. Carbon.

Which of the metals shown is a soft, high density metal used for radiation protection?

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1. Aluminium

2. Lead.

3. Copper.

4. Mercury.

Use the data booklet to find out which of the metals shown has the highest density.

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1. Calcium.

2. Iron.

3. Gold.

4. Silver.

Which metal reacts violently with water?

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1. Aluminium

2. Copper.

3. Iron.

4. Sodium.

Which metal does not react with dilute acid?

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1. Magnesium.

2. Copper.

3. Zinc.

4. Iron.

The test for hydrogen gas is that it20

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1. relights a glowing splint.

2. turns lime water milky.

3. turns pH paper red.

4. burns with a 'pop'.

Which of the metals shown is the most reactive?

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1. Magnesium.

2. Copper.

3. Zinc.

4. Iron.