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Chemistry

Chemistry
Which one is a naturally occuring noble gas

Boron
Argon
Sodium
Potassium

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Chemistry
The structure of (HPO3)3 is

Linear
Tetrahedral
Octahedral
Cyclic

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Chemistry
Chemical composition of cement is

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

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Chemistry
The lowest layer of earth's atmosphere is

Troposphere
Mesosphere
Stratosphere
Ionosphere

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Chemistry
Slag is a name given for

Molten alumina
Molten sand
Molten calcium silicate
Molten iron

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Chemistry
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are due to

NO2
N2O
SO2
SO3

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MORE MCQ ON Chemistry

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