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Question-1
The gas produced when metal carbonate reacts with acid.
(A)
Nitrogen
(B)
Carbon dioxide
(C)
Hydrogen
(D)
Oxygen
Question-2
At room temperature all metals are:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Liquid crystals
Question-3
A non - metal which is a solid at room temperature.
(A)
Oxygen
(B)
Carbon
(C)
Iodine
(D)
Sulphur
Question-4
The salt used to make soap.
(A)
Magnesium sulphate
(B)
Sodium stearate
(C)
Sodium sulphate
(D)
Potassium nitrate
Question-5
The only metal which is a liquid at normal room temperature.
(A)
Sodium
(B)
Gold
(C)
Mercury
(D)
Calcium
Question-6
The gas evolved when zinc is added to hydrochloric acid.
(A)
Nitrogen
(B)
Oxygen
(C)
Halogen
(D)
Hydrogen
Question-7
The element which can exist in different crystalline forms.
(A)
Iodine
(B)
Sodium
(C)
Magnesium
(D)
Carbon
Question-8
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-9
The allotrope of carbon which has high melting point.
(A)
Fullerenes
(B)
Diamond
(C)
Graphite
(D)
Carbon black
Question-10
The black powder which is added to sulphuric acid to get a blue solution is:
(A)
Copper carbonate
(B)
Copper oxide
(C)
Copper hydroxide
(D)
Copper
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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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