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WorksheetsL7 Science Reactions with Acids
Total questions: 15
Worksheet time: 10mins
Magnesium + hydrochloric acid-->
Magnesium chloride + water
Magnesium chloride + hydrogen
Magnesium hydrochloride + hydrogen
Magnesium chloride + water + carbon dioxide
Zinc + sulfuric acid -->
Zinc sulfide + hydrogen
Zinc sulfate + hydrogen
Zinc sulfate + Water +Carbon dioxide
Zinc sulfide + water
What are the reactants for the reaction of magnesium with oxygen
Magnesium + oxygen --> Magnesium oxide
Magnesium
Oxygen
Magnesium oxide
Magnesium and oxygen
How do we test for hydrogen?
Squeaky pop test
Hydrogen extinguishes a lit splint
Bubbling through lime water
Hydrogen makes a glowing splint relight
Acids have a pH range of....
0 - 14
0,1 - 6,9
7
7,1 - 14
Metal carbonates react with acid to form....
Salt, carboxylic acid and water
Salt, carbon dioxide and water
Salt and carbonated water
Salt and hydrogen
According to pH scale, indicator will turn red if a solution is...
Acidic
Alkali
Neutral
Precipitate
The two tests for carbon dioxide are ...
It will extinguish a lit splint
It will cause a squeaky pop
It will explode
When bubbled through lime water it turns the water cloudy
What gas is always produced when a metal reacts with acid?
Oxygen
Hydrogen
Carbon dioxide
Nitrogen
Why is toothpaste alkaline?
It can neutralise strong alkaline in
your mouth
It can neutralise acid in
your mouth
It can refresh your teeth
Toothpaste is not alkaline.
When the soil is too acidic , it is treated with :
quick lime
by adding organic matter
Hydrochloric acid
Nitric acid
