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Chemistry

Chemistry
The resources which can be used continuously, year-after -year are called

Abiotic
Non-renewable
Renewable
Biotic

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Chemistry
Select the one which is not a mixture :

Gasoline
LPG
Air
Distilled water

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Chemistry
The presence of ozone in the stratosphere is responsible for

Checking the penetration of ultra-violet rays to the earth
Increasing the average global temperature in recent years
Higher rate of photosynthesis
Supplying oxygen for people travelling in jets

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Chemistry
Emulsifier is an agent which

Accelerates the dispersion
Stabilizes an emulsion
Aids the flocculation of emulsion
Homogenizes the emulsion

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Chemistry
Which one element has the lowest electronegativity value

Radium
Fluorine
Chlorine
Francium

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Chemistry
Physico-chemical characteristics of water in water sources undergo changes due to

Effluents
Auatic fungi
Evapotranspiration
Aquatic macrophytes

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MORE MCQ ON Chemistry

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