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Question-1
Concentrated sodium chloride solution is called:
(A)
Oleum
(B)
Brine
(C)
Galena
(D)
Vinegar
Question-2
The first explosive used for warfare and in mining and quarrying.
(A)
Trinitrotoluene
(B)
Gun powder
(C)
Ammonium nitrate
(D)
Nitroglycerine
Question-3
Stainless steel is an alloy of iron with:
(A)
Aluminium
(B)
Chromium
(C)
Tungsten
(D)
Tin
Question-4
The major impurity in Iron ore is:
(A)
Calcium oxide
(B)
Silica
(C)
Clay
(D)
Mud
Question-5
The ore of aluminium is:
(A)
Galena
(B)
Copper pyrites
(C)
Calcinite
(D)
Bauxite
Question-6
98.5% Sulphuric acid is known as:
(A)
Galena
(B)
Calcinite
(C)
Vinegar
(D)
Oleum
Question-7
The ore of lead is:
(A)
Galena
(B)
Haematite
(C)
Calcinite
(D)
Bauxite
Question-8
The process used for the synthesis of ammonia.
(A)
Haber - Bosch process
(B)
Koope's process
(C)
Van - Arkel process
(D)
Hall's process
Question-9
Magnesium metal is extracted from:
(A)
Magnesium hydroxide
(B)
Magnesium chloride
(C)
Magnesium sulphate
(D)
Magnesium oxide
Question-10
Rust is a red - brown powder consisting mainly of:
(A)
Iron(III) oxide
(B)
Iron Chloride
(C)
Iron Hydroxide
(D)
Iron sulphate
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Cambridge Secondary Grade 9
IGCSE
Practice in Related Chapters
Nature of Matter
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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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