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Chemistry

Chemistry
In a period from Li to F, ionisation potential

Remains same
Decreases
Increases
Cannot be predicted

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Chemistry
Which acid is used in Lead storage battery?

Nitric acid
Acetic acid
Sulphuric acid
Hydrochloric acid

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Chemistry
Which one of the following forms of phosphorus is most reactive?

Violet phosphorus
Red phosphorus
White phosphorus
Black phosphorus

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Chemistry
Pollutant from motor car exhaust that causes mental disease is

SO2
NO2
Hg
Lead

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Chemistry
The apparatus used to test acidity of aqueous solution is

Acidmeter
Ammeter
Hygrometer
PH meter

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Chemistry
What is the second largest component in milk ?

Water
Minerals
Sugar
Fat

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