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Chemistry

Chemistry
Drinking soda is

Neutral
Acidic
Oxidant
Alkaline

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Chemistry
An example of major air pollutant is

Carbon monoxide
Helium
Oxygen
Carbon dioxide

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Chemistry
The components of water can be separated by

They can not be separated
Physical methods
Both A and B
Chemical methods

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Chemistry
A balloon filled with helium rises in air because

Helium pushes down on the air below the balloon
Helium is less dense than air
Air exerts an upward force on the balloon
The balloon is weightless

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

NO2
SO3
N2O
SO2

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

Gujarat coast
West Bengal coast
Travancore coast
Orissa coast

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MORE MCQ ON Chemistry

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