. Which metal burns with a bright flame? ____________________ 1. Copper2. Iron 3. Manganese4. Magnesium Press the space bar to see the correct answer.

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Which metal burns with a bright flame? ____________________ 1. Copper2. Iron 3. Manganese4. Magnesium Press the space bar to see the correct answer.

Which metal carbonate is the least stable? ____________________ 1. Sodium2. Magnesium 3. Copper4. calcium Press the space bar to see the correct answer.

Which gas is released during the thermal decomposition of a metal carbonate? ____________________ 1. Oxygen 2. Carbon dioxide 3. Hydrogen4. Nitrogen Press the space bar to see the correct answer.

The substance used for testing for carbon dioxide is …. ____________________ 1. Soda water2. Tonic water 3. Distilled water4. Limewater Press the space bar to see the correct answer.

The name given to the corrosion of iron ____________________ 1. Rusting2. Neutralising 3. Sublimating4. Distilling Press the space bar to see the correct answer.

Dry ice is the solid form of…. ____________________ 1. Dihydrogen oxide 2. Hydrogen 3. Carbon dioxide 4. Nitrogen Press the space bar to see the correct answer.

Which gas relights a glowing splint? ____________________ 1. Nitrogen2. Carbon dioxide 3. Oxygen 4. Dihydrogen oxide Press the space bar to see the correct answer.

Which type of fire extinguisher should be used for fires involving metals or electrical fires? ____________________ 1. Dry powder 2. Foam (AFFF) 3. Water4. Carbon dioxide Press the space bar to see the correct answer.

Which is not a part of the fire triangle? ____________________ 1. Oxygen2. Heat 3. Fuel4. Water Press the space bar to see the correct answer.

The name of the gas that is tested with a lighted splint producing a squeaky pop is…. ____________________ 1. Oxygen2. Carbon dioxide 3. Hydrogen 4. Dihydrogen oxide Press the space bar to see the correct answer.

An example of an unstable explosive is…. ____________________ 1. Dynamite 2. Nitroglycerine 3. Semtex4. TNT Press the space bar to see the correct answer.

Which is used to make dynamite react? ____________________ 1. Detonator2. Resonator 3. Ventilator4. Terminator Press the space bar to see the correct answer.

Which word means the same as burning? ____________________ 1. Decomposition2. Pollution 3. Combustion4. Neutralisation Press the space bar to see the correct answer.

Which two substances react to produce carbon dioxide? ____________________ 1. Acid and metal 2. Alkali and metal 3. Acid and limestone4. Alkali and limestone Press the space bar to see the correct answer.

Which of the above indicates a chemical reaction? ____________________ 1. Change in colour 2. Dissolving 3. Melting 4. Boiling Press the space bar to see the correct answer.