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Chemistry

Chemistry
Which of the following gases is most toxic ?

Chlorine
Carbon monoxide
Sulphur dioxide
Carbon dioxide

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon dioxide and carbon monoxide
Carbon monoxide and nitrogen
Oxides of nitrogen and sulphur
Ozone and carbon dioxide

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Chemistry
The metals commonly used for electroplating are

Gold, Sodium and Chromium
Gold, Sodium and Potassium
Chromium, Copper and Nickel
Nickel, Lead and Chromium

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Chemistry
Maximum permissible concentration of copper in drinking water in mg/L is

2
1
0.01
0.05

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Chemistry
The influence of temperature on reaction rate is predicted by

Van der Waals equation
Arrhenius equation
Kirchhoff's equation
Lewis equation

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Chemistry
Particulates (< 1 µm size) remaining suspended in air indefinitely and transported by wind currents are called

Aerosols
Smoke
Fumes
Mists

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MORE MCQ ON Chemistry

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