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24 Cards in this Set
- Front
- Back
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What does irreversible mean?
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It cannot be undone.
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What does reversible mean?
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It can be undone. |
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What does soluble mean?
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It will dissolve in water
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What does insoluble mean?
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It won't dissolve in water |
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What is oxygen?
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A gas that we breathe that is found in the atmosphere. Our bodies need it to function. |
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What are properties? |
Key parts of something that make it what it is.
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Is a chemical reaction irreversible or reversible?
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Irreversible.
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Is a physical reaction irreversible or reversible?
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A reaction that is reversible.
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Is milk turning sour a chemical or physical reaction?
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Chemical.
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Is chocolate melting a chemical or physical reaction?
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Physical.
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Fill in the blank: When a metal is added to acid it bubbles proving that a _______ has formed. |
Gas
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Fill in the blank: Metal + Acid -----> ___________ + Hydrogen |
Metal Salt
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Fill in the blank: Magnesium + Hydrochloric Acid -------> ??????? |
Magnesium Chloride + Hydrogen
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Fill in the blank: Magnesium + Sulphuric Acid -------> ??????? |
Magnesium Sulphate + Hydrogen
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What is a test for carbon dioxide?
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Limewater Test
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What is a test for hydrogen?
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Squeaky Pop Test
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Why is there a mass loss when a gas is produced??
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Because the gas escapes.
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What is combustion?
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Burning.
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Fill in the blank: If something is flammable it ________________ |
Burns/sets on fire easily.
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What are the three components of the fire triangle?
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Fuel Oxygen Heat |
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What happens if one side of the fire triangle is removed?
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The fire goes out.
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Fill in the blank: The harder water is the 1)________ 2)__________ there should be |
1) less 2) froth |
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True or false: A change of state is a chemical reaction |
False
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What is the chemical test for oxygen?
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Put a glowing splint into pure oxygen and it should relight.
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