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Question-1
Metal oxides soluble in water are called:
(A)
Alkalis
(B)
Acids
(C)
Buffer Solution
(D)
Neutral solution
Question-2
The only metal which is a liquid at normal room temperature.
(A)
Sodium
(B)
Gold
(C)
Mercury
(D)
Calcium
Question-3
The gas produced when metal carbonate reacts with acid.
(A)
Nitrogen
(B)
Carbon dioxide
(C)
Hydrogen
(D)
Oxygen
Question-4
At room temperature all metals are:
(A)
Solids
(B)
Liquids
(C)
Gases
(D)
Liquid crystals
Question-5
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
Question-6
Magnesium ribbon burns in air producing a white powder of:
(A)
Hydroxide
(B)
Carbonate
(C)
Oxide
(D)
Sulphate
Question-7
Sulphur dioxide + Water → product
The product in the above reaction is:
(A)
Sulphurous acid
(B)
Sulphuric acid
(C)
Okum
(D)
Sulphur dioxide
Question-8
The allotrope of carbon which conducts electricity is:
(A)
Diamond
(B)
Fullerens
(C)
Graphite
(D)
Coke
Question-9
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-10
A material through which electricity can pass is called:
(A)
Electrical insulator
(B)
Electrical conductor
(C)
Conductor of heat
(D)
Semi conductor
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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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