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Chemistry

Chemistry
The most commonly used bleaching agent is

chlorine
sodium chlorine
carbon dioxide
alcohol

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Chemistry
The working of a dry cell is based on

Spontaneous oxidation-reduction reaction
Electrolysis
Decomposition reaction
Combination reaction

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Chemistry
Nitrogen in water is commonly found in the form of

Nitrous oxide
Nitrite
Nitric oxide
Nitrate

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Chemistry
Which one is not a pure form of carbon

Diamond
Graphite
Coal
Gold

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Chemistry
The gas which emits from rice field is

Ethane
Methane
All of these
Nitrogen

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Chemistry
Which of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torch lights, electric shavers, etc. ?

Zinc and carbon
Nickel and cadmium
Iron and cadmium
Lead peroxide and lead

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MORE MCQ ON Chemistry

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