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Chemistry

Chemistry
Total number of elements in the Periodic table

115
112
118
127

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Chemistry
Baryllium Sulphate is less soluble in water due to

High inflammable energy
Lonic band
Low Energy of dissociation
Low inflammable energy

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Chemistry
The biogas used for cooking is a mixture of which of the following?

Methane and carbon dioxide
Methane and carbon monoxide
Isobutane and propane
Carbon dioxide and oxygen

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Chemistry
The most extensive, commercially useful source of thorium as monazite sand occurs in India at

Gujarat coast
Travancore coast
West Bengal coast
Orissa coast

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Chemistry
The most electropositive elements among the following is

K
Cs
Na
Ca

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Chemistry
The Refrigerant 'FREON' is

Hydrofluosilicic Acid
Fluorspar and Felspar
Difluoro Dichloro Methane
Calcium Tetra Fluoride

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MORE MCQ ON Chemistry

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