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Chemistry

Chemistry
Taj Mahal is greatly affected due to :

Sound pollution
Acid rain
Deforestation
Tourists

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Chemistry
Interveinal necrotic spots on leaves appear due to

NO2injury
HF injury
SO2injury
O3injury

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Chemistry
Major portion of the earth’s crust is mainly constituted by

Oxygen and Iron
Oxygen and Silicon
Silicon and Iron
Silicon and Aluminium

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Chemistry
An electric iron has a heating element made of :

Nichrome
Copper
Tungsten
Zinc

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

normality
molality
formality
molarity

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Chemistry
At room temperature, the metal that remains liquid is:

Zinc
Platinum
Lead
Mercury

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MORE MCQ ON Chemistry

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