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11 Cards in this Set
- Front
- Back
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Metal + Water —> |
Metal + Water —> Metal hydroxide + hydrogen
eg Sodium+ Water —> Sodium hydroxide + Hydrogen |
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What observation would you get from Lithium + Water |
Bubbles and Movement |
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What observation may you get from Sodium + Water |
Vigorous bubbles and movement |
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What observation may you get from potassium and water? |
Lilac flame, vigorous bubbling and movement |
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Metal + Acid —>
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Metal + Acid —> Salt + Hydrogen (MASH) eg lead + hydrochloric acid → lead chloride + hydrogen
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How can you test for hydrogen gas? |
The squeaky pop test |
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How do you do the squeaky pop test |
Holding a burning splint near the top of the test tube, once in contact with gas it may blow out , however you will hear a “squeaky pop” |
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Complete the equation Metal + oxygen —> |
Metal + oxygen —> metal oxide
Eg magnesium+ oxygen —> magnesium oxide |
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What is a metal displacement reaction |
A more reactive metal will displace a less reactive metal in a reactive, this will mean the less reactive metal will no longer be chemically bonded in a compound |
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What is an ore? |
A rock which contains a significant amount of metal worth extracting |
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When can carbon be used to extract metal compounds? |
When the metal is less reactive than carbon |
