Smartindia Classroom
CONTENTS
Maths
English
Physics
Chemistry
Biology
History
Geography
Computer
Economics
Back to home
Start Practice
Question-1
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-2
An electrolytic process of extracting aluminium is:
(A)
Koope's process
(B)
Van Arkel process
(C)
Hall - Heroult process
(D)
Bauxite process
Question-3
Concentrated sodium chloride solution is called:
(A)
Oleum
(B)
Brine
(C)
Galena
(D)
Vinegar
Question-4
The process of coating an object with a layer of the more reactive metal zinc is called:
(A)
Electrolysis
(B)
Galvanisation
(C)
Chromatography
(D)
Thermal analysis
Question-5
Stainless steel is an alloy of iron with:
(A)
Aluminium
(B)
Chromium
(C)
Tungsten
(D)
Tin
Question-6
Nitram is:
(A)
Ammonium chloride
(B)
Ammonium hydroxide
(C)
Ammonium sulphate
(D)
Ammonium nitrate
Question-7
The ore of lead is:
(A)
Galena
(B)
Haematite
(C)
Calcinite
(D)
Bauxite
Question-8
The major impurity in Iron ore is:
(A)
Calcium oxide
(B)
Silica
(C)
Clay
(D)
Mud
Question-9
The first explosive used for warfare and in mining and quarrying.
(A)
Trinitrotoluene
(B)
Gun powder
(C)
Ammonium nitrate
(D)
Nitroglycerine
Question-10
Rust is a red - brown powder consisting mainly of:
(A)
Iron(III) oxide
(B)
Iron Chloride
(C)
Iron Hydroxide
(D)
Iron sulphate
Your Score 0/10
Click
here
to see your answersheet and detailed track records.
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
Powered By
