
Hydrogen Quiz-1
Answer these simple questions correctly and earn coins
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10 Question
Popular Questions In Hydrogen Quiz-1
is
When NaH reacts with water, the gas liberated is
10 mL of solution is treated with Kl and titration of liberated , required 10 mL of 1 N hypo. Thus is
30 volumes means
In alkaline medium, reacts with and respectively to give
In transforming 0.01 mole of PbS to , the volume of '10 volume' required will be
Blackened oil painting can be restored into original form by the action of
In the Calgon process of softening of water, which of the following is used?
The reagent commonly used to determine hardness of water quantitatively is
The hardness of water sample containing 0.002 mole of magnesium sulphate dissolved in a litre of water is expressed as :