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WorksheetsScience Form 2_Chap 6.2 Neutralisation
Total questions: 20
Worksheet time: 14mins
Complete the word equation below:
Acid + alkali --> ............... + water
water
salt
gold
metal
.............................. + sodium hydroxide --> sodium chloride + water
Nitric acid
Sulphuric acid
Hydrochloric acid
Ethanoic acid
Sulphuric acid + potassium hydroxide --> ........................ + water
potassium sulphate
potassium sulphurate
potassium nitrate
magnesium hydroxide
Toothpaste contain .................. that neutralize acid formed by bacteria.
alkali
acid
antacid
slaked lime
Conditioners contain ........................ that neutralize shampoo on hairs.
acid
alkali
vinegar
natrium hydroxide
Bee sting contain ............................ and can be neutralize using bicarbonate soda.
alkali
acid
vinegar
soda
Excess acids in stomach can be neutralized using ............
antacid
vinegar
slaked lime
hydrochloric acid
What colour is Universal indicator when the solution is neutral?
Red
Green
Blue
Purple
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.
Where does the acid in you mouth come from?
From stomach
From stomach acid
From the millions of
bacteria of mouth
From the teeth
