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Chemistry

Chemistry
Which of the following is not a precious/semi-precious stone?

Pearl
Ruby
Emerald
Sapphire

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Chemistry
The number of moles of solute present in 1 kg of a solvent is called its

molarity
molality
normality
formality

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Chemistry
Taj Mahal is greatly affected due to :

Sound pollution
Acid rain
Deforestation
Tourists

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Chemistry
The buffer action of blood is due to the presence of

[HCO3]– and H2CO3
CI– and [HCO3]–
HCI and NaCI
CI– and [CO3]2–

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Chemistry
Which one of the following metals does not react with water to produce Hydrogen ?

Lithium
Sodium
Potassium
Cadmium

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Chemistry
Ozone layer in the upper parts of the atmosphere serves as a protective shield against harmful

Solar infrared radiation
CO2 in the air
Solar ultraviolet radiation
SO2 in the air

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MORE MCQ ON Chemistry

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