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Question-1
Tooth enamel contains:
(A)
Calcium carbonate
(B)
Calcium chloride
(C)
Calcium sulphate
(D)
Calcium phosphate
Question-2
Which one of the following types of medicines is used for indigestion?
(A)
Antibiotic
(B)
Antacid
(C)
Analgesic
(D)
Antiseptic
Question-3
Which of the following salts does not deliquesce?
(A)
Magnesium chloride
(B)
Sodium chloride
(C)
Calcium chloride
(D)
Ferrous sulphate
Question-4
Which of the following method is used to obtain chlorine and hydrogen from sodium chloride?
(A)
Electrolysis
(B)
Thermal heating
(C)
Evaporation
(D)
Electroplating
Question-5
The natural indicator among the following.
(A)
Phenolphthalein
(B)
Methyl orange
(C)
Methyl red
(D)
Litmus
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
Which of the following indicators gives pink colour in basic solution?
(A)
Methyl orange
(B)
Phenolphthalein
(C)
Litmus
(D)
Bromothymol blue
Question-8
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
Question-9
Many salts absorb water from atmosphere. This property is called:
(A)
Crystallization
(B)
Hydration
(C)
Deliquescence
(D)
Efflorescence
Question-10
Which of the following will give pH less than seven?
(A)
Blood
(B)
Milk of magnesia
(C)
Sodium hydroxide
(D)
Gastric juice
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Cambridge Secondary Grade 10
IGCSE
Practice in Related Chapters
Petrochemicals and Polymers
Planet Earth
The Nature of Matter
How Far? How Fast?
Chemical Bonding and Structure
Periodic Patterns
Acids, Bases and Salts
Chemical Change
Quantitative Chemistry
Patterns and Properties of Metals
Chemical Analysis and Experimentation
Elements and Compounds
Patterns and Properties of Non-metals
Industrial Inorganic Chemistry
Organic Chemistry
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