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Question-1
The mineral in pure limestone is:
(A)
Kaolinite
(B)
Calcite
(C)
Quartz
(D)
Mica
Question-2
The rock that forms from shale when magma passes close to it.
(A)
Sandstone
(B)
Pumice
(C)
Hornfels
(D)
Limestone
Question-3
Limestone in mixed with sand and sodium carbonate to make:
(A)
Mortar
(B)
Cement
(C)
Glass
(D)
Rock
Question-4
The percentage of element aluminium earth's crust.
(A)
2.4
(B)
25.8
(C)
4.2
(D)
7.3
Question-5
Quartzite is formed from:
(A)
Limestone
(B)
Quartz
(C)
Mica
(D)
Sandstone
Question-6
The percentage of Silicon in earth's crust.
(A)
50
(B)
25.8
(C)
7.3
(D)
0.4
Question-7
A magma which has 65% silica and contain aluminium, potassium and sodium forms:
(A)
Gabbro
(B)
Granite
(C)
Igneous rock
(D)
Sandstone
Question-8
Gemstones among the following is:
(A)
Quartz
(B)
Gold
(C)
Beryl
(D)
Silver
Question-9
A substance which is formed from one or more elements in the Earth.
(A)
Atom
(B)
Cell
(C)
Mineral
(D)
Ore
Question-10
The common name of calcium hydroxide is:
(A)
Limestone
(B)
Quick lime
(C)
Lime water
(D)
Slaked lime
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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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