Revision of Simple Chemical Reactions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Acid+Metal= | Hydrogen
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| Acid+Carbonate= | Carbon Dioxide
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| What is formed when materials burn? | Oxides
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| A Hydrocarbon is? | Anything that burns
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| What 2 substances are formed when hydrocarbons burn? | Carbon Dioxide and Water
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| Give an exmple of a word equation | Iron+Oxigen=Iron Oxide
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| Is burning reversible or irreversible? | Irreversible
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| Inflammable | Easy to catch fire
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| Flammable | Easy to catch fire
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| Non-flammable | Will not catch fire
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| Incomplete burning produces a highly dangerous and poisonous gas called... | Carbon Monoxide
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| How can you remove the heat from the Fire Triangle?Give 2 examples | Water thrown on fire.(Unless it is an oil. petrol or electric fire.Because the water will bounce back boiling hot)Or sand thrown on the fire.
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| How can you remove the oxygen from the Fire Triangle?Give 2 reasons | A non-flammable blanket will smother the fire.Or a Carbon Dioxide Extinguisher.Sprayed at the fire.This will create an invisable blanket.
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| Hydrogen is the ........ gas.It has a ... density.It is lighter than ... and used to be used for balloons and airships. | Lightest Low Air
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| Chemical reactions are .......... Chemical reactions cause ...... changes, ....... appearing and ........... changes. | Irreversible Colour Temperature
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| What is the test for hydrogen gas? | Squeky pop from splint
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| What is the test for carbon dioxide gas? | Carbon Dioxide turns lime water milky
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| A Hydrocarbon is? | Anything that burns
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| What 2 substances are formed when hydrocarbons burn? | Carbon Dioxide and Water
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| Another name for burning is? | Combustion
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| What fraction of air is oxygen? | 1/5
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| What are the three things that make the Fire Triangle? | Fuel,Oxygen and Heat
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| How can you remove the heat from the Fire Triangle?Give 2 examples | Water thrown on fire.(Unless it is an oil. petrol or electric fire.Because the water will bounce back boiling hot)Or sand thrown on the fire.
🗑
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| How can you remove the oxygen from the Fire Triangle?Give 2 reasons | A non-flammable blanket will smother the fire.Or a Carbon Dioxide Extinguisher.Sprayed at the fire.This will create an invisable blanket.
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| Hydrogen is the ........ gas.It has a ... density.It is lighter than ... and used to be used for balloons and airships. | Lightest Low Air
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| What is the test for Oxygen? | Pure Oxygen relights a glowing splint
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| Phisical changes are .......... and can go back to thier original form. | Reversible
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| Acid+Alkali= | Salt+Water
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