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Question-1
A material through which electricity can pass is called:
(A)
Electrical insulator
(B)
Electrical conductor
(C)
Conductor of heat
(D)
Semi conductor
Question-2
The salt used to make soap.
(A)
Magnesium sulphate
(B)
Sodium stearate
(C)
Sodium sulphate
(D)
Potassium nitrate
Question-3
The energy used in photosynthesis.
(A)
Light energy
(B)
Electrical energy
(C)
Heat energy
(D)
Bunsen flame
Question-4
The allotrope of carbon which conducts electricity is:
(A)
Diamond
(B)
Fullerens
(C)
Graphite
(D)
Coke
Question-5
At room temperature all metals are:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Liquid crystals
Question-6
A non - metal which is a solid at room temperature.
(A)
Oxygen
(B)
Carbon
(C)
Iodine
(D)
Sulphur
Question-7
The reaction that takes place between an acid and an alkali is called:
(A)
Synthesis reaction
(B)
Displacement reaction
(C)
Neutralization reaction
(D)
Decomposition reaction
Question-8
The chemical name of common salt is:
(A)
Potassium chloride
(B)
Sodium chloride
(C)
Potassium oxide
(D)
Sodium hydroxide
Question-9
Metal oxides soluble in water are called:
(A)
Alkalis
(B)
Acids
(C)
Buffer Solution
(D)
Neutral solution
Question-10
The compound used as a laxative to ease constipation.
(A)
Magnesium sulphate
(B)
Sodium chloride
(C)
Calcium sulphate
(D)
Sodium oxide
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Cambridge Secondary Grade 8
IGCSE
Practice in Related Chapters
Acid and Bases
The World of Matter
Simple Chemical Reactions
The Rock Cycle
Introducing Chemistry
Metals and Metal Compounds
Elements and Atoms
Separation of Mixtures
Compounds and Mixtures
Rocks and Weathering
Patterns of Reactivity
Chemistry and the Environment
Using Chemistry
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