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Chemistry

Chemistry
In silvery paints, the main constituent present is

White lead
Silver powder
Aluminium powder
Lead powder

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Chemistry
Which of the following acids serves as an electrolyte in a lead storage battery?

Lactic acid
Nitric acid
Hydrochloric acid
Sulphuric acid

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Chemistry
How many neutrons are there in 92U238 atom ?

330
92
238
146

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Chemistry
The most electropositive elements among the following is

Cs
Ca
K
Na

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Chemistry
Major gaseous pollutant of the thermal power station is

SO2
NH3
NO2
H2 S

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Chemistry
Which of these acids is not organic in origin?

Citric acid
Sulphuric acid
Lactic acid
Oxalic acid

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