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Chemistry

Chemistry
The hardest form of carbon is

diamond
coke
graphite
charcoal

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Chemistry
The noble gas used in radiotherapy is

Xenon
Radon
Argon
Neon

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Chemistry
Acid rain is caused due to pollution of atmosphere by

Oxides of nitrogen and phosphorous
Oxides of nitrogen and sulphur
None of these
Oxides of carbon and nitrogen

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Chemistry
An emulsifier is an agent which

Accelerates the dispersion
Aids the flocculation of an emulsion
Stabilises an emulsion
Homogenises an emulsion

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Chemistry
The two metal ions that cause hardness to water are:

Calcium, Magnesium
Sodium, Magnesium
Sodium, Calcium
Sodium, Potassium

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Chemistry
The unit to measure the flow of water is

Milli curie
Micro Mho
Cusecs
Ohm meter

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MORE MCQ ON Chemistry

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