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Question-1
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-2
Limestone in mixed with sand and sodium carbonate to make:
(A)
Mortar
(B)
Cement
(C)
Glass
(D)
Rock
Question-3
A substance which is formed from one or more elements in the Earth.
(A)
Atom
(B)
Cell
(C)
Mineral
(D)
Ore
Question-4
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-5
Quick lime is:
(A)
Calcium carbonate
(B)
Calcium sulphate
(C)
Calcium hydroxide
(D)
Calcium oxide
Question-6
The rock that forms from shale when magma passes close to it.
(A)
Sandstone
(B)
Pumice
(C)
Hornfels
(D)
Limestone
Question-7
The percentage of Silicon in earth's crust.
(A)
50
(B)
25.8
(C)
7.3
(D)
0.4
Question-8
Quartzite is formed from:
(A)
Limestone
(B)
Quartz
(C)
Mica
(D)
Sandstone
Question-9
Gemstones among the following is:
(A)
Quartz
(B)
Gold
(C)
Beryl
(D)
Silver
Question-10
Shale contains the clay mineral:
(A)
Kaolinite
(B)
Magnesite
(C)
Haematite
(D)
Limestone
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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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