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Chemistry

Chemistry
Total number of elements in the Periodic table

115
112
118
127

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Chemistry
Chemical composition of cement is

Limestone and Clay
Limestone and Gypsum
Clay and Gypsum
Limestone, Clay and Gypsum

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Chemistry
Bauxite is used as raw material by which industry ?

Aluminium
Gold
Iron
Steel

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Chemistry
Total number of naturally occurring elements

110
92
62
98

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Chemistry
Percentage of lead in lead pencils is

80
40
31-66

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Chemistry
The major component in the LPG is

Methane
Butane
Propane
Ethane

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MORE MCQ ON Chemistry

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