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What is the name for something that contains only one type of atom
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An Element
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What is the name for different atoms joined together
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A compound
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The following are symbols for which elements
H O C Mg |
Hydrogen
Oxygen Carbon Magnesium |
Explain why Carbon dioxide is a compound
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It has different elements joined together
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Draw a molecule of Carbon dioxide
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What pH is strong acid. What colour will this go in universal indicator
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1
Red |
What colour do we get when we use universal indicator with a neutral solution. What pH is this?
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Green
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Sodium hydroxide is an alkali. What colour is this when universal indicator is added. What pH is this.
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Purple
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What do you get when you add acid to alkali
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A neutral solution containing
salt + water |
What does reacting Acid + carbonates make
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Salt + carbon dioxide + water
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What does reacting a Base + acid make
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SALT + water
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Name 3 properties metals have
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Strong
Some are magnetic Conduct heat Conduct electricity Bend (malleable) Stretch when pulled (ductile) High density |
Which gas makes a squeaky pop when a lit spill is placed over it
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Hydrogen
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Which gas turns limewater milky
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Carbon dioxide
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A substance is shiny, rings when hit and heavy for its size. What type of material is it likely to be?
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A metal
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