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Question-1
Which of the following substances has the lowest pH value?
(A)
Sugar
(B)
Tomato juice
(C)
Vinegar
(D)
Washing soda
Question-2
One of the components of baking powder is:
(A)
Tartaric acid
(B)
Acetic acid
(C)
Oxalic acid
(D)
Citric acid
Question-3
An oxide is acidic and has a pungent order. It could be:
(A)
Carbon monoxide
(B)
Carbon dioxide
(C)
Sodium oxide
(D)
Nitrogen dioxide
Question-4
The natural indicator among the following.
(A)
Phenolphthalein
(B)
Methyl orange
(C)
Methyl red
(D)
Litmus
Question-5
Which of the following will give pH less than seven?
(A)
Blood
(B)
Milk of magnesia
(C)
Sodium hydroxide
(D)
Gastric juice
Question-6
Which of the following metal does not react with dilute sulphuric acid to liberate H
2
gas?
(A)
Calcium
(B)
Sodium
(C)
Iron
(D)
Silver
Question-7
An aqueous solution of which of the following substance will conduct electric current?
(A)
Ethyl alcohol
(B)
Acetic acid
(C)
Acetone
(D)
Ether
Question-8
Which of the following salts does not deliquescence?
(A)
Magnesium chloride
(B)
Sodium chloride
(C)
Calcium chloride
(D)
Ferrous sulphate
Question-9
Tooth enamel contains:
(A)
Calcium carbonate
(B)
Calcium chloride
(C)
Calcium sulphate
(D)
Calcium phosphate
Question-10
Which of the following process works best near pH close to seven?
(A)
Our digestive system
(B)
Tooth enamel
(C)
Growth of plants
(D)
Conversion of milk into curd
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
Nature of Matter
Elements and Compounds
Acid,Base and Salts
Quantitative Chemistry
How far? How fast?
Patterns and properties of Metals
Planet Earth
Introducing Chemistry
Mixtures and Separating Techniques
Particle Theory
Periodic Patterns
Chemical Change
Chemical Analysis and Experimentation
Patterns and Properties of Non-metals
Petrochemicals and Polymers
Industrial Inorganic Chemistry
Organic Chemistry
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