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Chemistry

Chemistry
The most pure form of Carbon among the options is

Wood Charcoal
Lampblack
Anthracite
Graphite

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Chemistry
Which of the following is used to remove rust stains on cloth?

Petrol
Lime
Oxalic acid solution
Kerosene

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Chemistry
The chemical used in developing photographic films is

Hydroquinone
Silver bromide
Sodium sulphate
Hypo

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Chemistry
Which of the following in automobile exhaust can cause cancer?

Oxides of nitrogen
Lead
Carbon monoxide
Polyclinic hydrocarbons

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Chemistry
Which of the following acts as best adsorbent?

Activated Coconut Charcoal
Charcoal
Carbon black
Activated Charcoal

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Chemistry
Which of the following is the main compound of voter ink?

Ammonium Chloride
Silver nitrate
Ammonium Nitrate
Silver Chloride

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