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Chemistry

Chemistry
Electric bulbs are filled with :

Carbon dioxide
Argon
Oxygen
Nitrogen

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Chemistry
The metal does not give H2 on treatment with dilute HCL is

Ag
Ca
Fe
Zn

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Chemistry
The molecular mass of a gas is

Not related to its vapour pressure
Twice its vapour pressure
Half its vapour pressure
Equal to its vapour pressure

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

1
0.05
2
0.01

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Chemistry
The metals commonly used for electroplating are

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

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Chemistry
The National Chemical Laboratory is situated in

Pune
New Delhi
Patna
Bangalore

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MORE MCQ ON Chemistry

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