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- Multiple ChoicePlease save your changes before editing any questions.
Metals and acids react to form...
Salt and hydrogen
Salt and water
Carbon dioxide, salt and water
Hydrogen only
- Multiple ChoicePlease save your changes before editing any questions.
Acids have a pH range of
0-14
1-6.9
7
7.1-14
- Multiple ChoicePlease save your changes before editing any questions.
How do we test for hydrogen?
Squeaky pop test
Bubbling through lime water
Hydrogen extinguishes a lit splint
Hydrogen makes a glowing splint relight
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Which one of these is an example of an acid?
Bleach
Hand soap
Sodium hydroxide
Lemon juice
- Multiple ChoicePlease save your changes before editing any questions.
Magnesium + Hydrochloric acid → ____________ + ___________
Magnesium chloride + water
Magnesium hydrochlorite + hydrogen
Magnesium chloride + hydrogen
Carbon dioxide + water + magnesium chloride
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Nitric acid reacts with metals to make which type of salt?
Nitrite
Nitrate
Nitroxide
Knitting patterns
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Metal carbonates react with acid to form
Salt, carboxylic acid and water
Salt and carbonated water
Salt, carbon dioxide and water
Salt and hydrogen
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Calcium carbonate + sulphuric acid →
Calcium hydroxide, carbon dioxide and water
Acid rain
Calcium sulphate and hydrogen
Calcium sulphate, carbon dioxide and water
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The two tests for carbon dioxide are
It will extinguish a lit splint
It will cause a squeaky pop
When bubbled through lime water it turns the water cloudy
It explodes taking your eyebrows with it
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Metal oxide + acid →
Salt and water
Salt and hydrogen
Salt, carbon dioxide and water
Salt and vinegar
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According to the pH scale, indicator will turn red if a solution is
Acidic
Alkali
Neutral
Bored
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A glowing splint placed in oxygen gas will
Do nothing
Get wet
Relight
Cause a squeaky pop
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Copper oxide + hydrochloric acid →
Copper chloride and water
Copper hydroxide and chlorine
Copper chloride
Copper chloride and hydrogen
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Hydrochloric acid + sodium hydroxide → sodium chloride + water
This reaction is a neutralisation reaction
This reaction is a combustion reaction
This reaction is an oxidation reaction
This reaction is salty
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How many atoms are there in CH4?
6
5
4
1