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Question-1
Magnesium metal is extracted from:
(A)
Magnesium hydroxide
(B)
Magnesium chloride
(C)
Magnesium sulphate
(D)
Magnesium oxide
Question-2
Concentrated sodium chloride solution is called:
(A)
Oleum
(B)
Brine
(C)
Galena
(D)
Vinegar
Question-3
Copper is extracted from the ore:
(A)
Copper sulphide
(B)
Copper pyrites
(C)
Copper sulphate
(D)
Copper chloride
Question-4
Nitram is:
(A)
Ammonium chloride
(B)
Ammonium hydroxide
(C)
Ammonium sulphate
(D)
Ammonium nitrate
Question-5
The ore of lead is:
(A)
Galena
(B)
Haematite
(C)
Calcinite
(D)
Bauxite
Question-6
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-7
The carbon content in medium steel is:
(A)
0.45 - 1.5
(B)
<0.25
(C)
0.25 - 0.45
(D)
2.5 - 4.5
Question-8
98.5% Sulphuric acid is known as:
(A)
Galena
(B)
Calcinite
(C)
Vinegar
(D)
Oleum
Question-9
Nitro chalk is an example of:
(A)
Compound fertilizer
(B)
Straight N fertilizer
(C)
NPK fertilizer
(D)
Nitrogenous fertilizer
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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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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