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Question-1
Gemstones among the following is:
(A)
Quartz
(B)
Gold
(C)
Beryl
(D)
Silver
Question-2
A substance which is formed from one or more elements in the Earth.
(A)
Atom
(B)
Cell
(C)
Mineral
(D)
Ore
Question-3
The rock formed from the shells of marine creatures and freshwater creatures.
(A)
Sandstone
(B)
Limestone
(C)
Chalk
(D)
Emeralds
Question-4
Quartzite is formed from:
(A)
Limestone
(B)
Quartz
(C)
Mica
(D)
Sandstone
Question-5
The percentage of Silicon in earth's crust.
(A)
50
(B)
25.8
(C)
7.3
(D)
0.4
Question-6
Molten rock is called:
(A)
Magma
(B)
Limestone
(C)
Sandstone
(D)
Quartz
Question-7
The kind of rock formed by the effect of heat and pressure changes.
(A)
Sedimentary rocks
(B)
Metamorphic rocks
(C)
Axillary rocks
(D)
Igneous rock
Question-8
A magma which has 65% silica and contain aluminium, potassium and sodium forms:
(A)
Gabbro
(B)
Granite
(C)
Igneous rock
(D)
Sandstone
Question-9
The quantity of calcium carbonate in limestone can be found by reacting it with:
(A)
Sodium chloride
(B)
Hydrochloric acid
(C)
Sodium hydroxide
(D)
Aluminium oxide
Question-10
Limestone in mixed with sand and sodium carbonate to make:
(A)
Mortar
(B)
Cement
(C)
Glass
(D)
Rock
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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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