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Chemistry

Chemistry
An example of replenishable energy source is–

Biomass
Lignite
Coal
Petroleum

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Chemistry
Drinking soda is

Neutral
Alkaline
Acidic
Oxidant

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Chemistry
Which of the following is used in dating archaeological findings ?

818O
614C
13H
92235U

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Chemistry
Ozone layer is present in

Ionosphere
Stratosphere
Troposphere
Exosphere

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Chemistry
Most commonly used bleaching agent is

Sodium chloride
Chlorine
Carbon dioxide
Alcohol

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Chemistry
What is the chemical symbol of mercury

Mr
Hg
None of these
Mg

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MORE MCQ ON Chemistry

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