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WorksheetsAcid bases and salts
Total questions: 26
Worksheet time: 13mins
A drop of solution 'X' is placed on a strip of pH paper. A deep red colour is produced. The solution 'X' is
NaOH
HCl
H2O
Na2CO3
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.
Which one of the following is not a neutral substance ?
Glucose
Sodium Hydroxide
Urea
Sugar
Milk of magnesia contains .............................
Sodium
Potassium
Magnesium
Ammonium
Which of the following is a property of an Acid ?
Sour taste
Sweet Taste
Bitter Taste
Salty Taste
Acid in vinegar:
Hydrochloric acid
Sulfuric acid
Acetic acid
Carbonic acid
Identify the acid present in tamarind.
Tannic acid
Lactic acid
Tartaric acid
Citric acid
Which is NOT an indication of a chemical change?
temperature change
formation of a precipitate
shape change
production of light
Is pure water acidic, basic, or neutral?
Acidic
Basic
Neutral
Basic oxide
BaO
P2O5
ZnO
CO2
Which is NOT an amphoteric oxide?
zinc oxide
aluminium oxide
lead (II) oxid
sodium oxide
Which of the followings is an acidic oxide?
SO2
H2O
CO
ZnO
Sulfuric acid reacts with sodium hydroxide to form salt X and water. Name the salt.
sodium sulfate
sodium nitrate
sodium chloride
Potassium carbonate reacts with an acid Y to form potassium nitrate, water and carbon dioxide. What is the acid used for this reaction?
HNO3
H2SO4
HCl
