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1.
If 0.5 mole of 
is mixed with 0.2 mole of 
, the maximum number of moles f 
that can be formed is
is mixed with 0.2 mole of , the maximum number of moles f that can be formed is
2.
How many significant figures are there in (respectively)
(1)73.000 g (2) 0.0503 g and (3) 2.001 s?
(1)73.000 g (2) 0.0503 g and (3) 2.001 s?
3.
The formula weight of 
is 342. A solution containing 342 g of in :
is 342. A solution containing 342 g of in :
4.
For the reaction, 
Equivalent weight of 
is
Equivalent weight of is
5.
Two oxides of a metal contain 50% and 40% metal (
) respectively. If the formula of fist oxide is 
, the formula of second oxide will be
) respectively. If the formula of fist oxide is , the formula of second oxide will be
6.
An organic compound on analysis was found to contain 10.06% carbon, 0.84% hydrogen and 89.10% chlorine. What will be the empirical formula of the substance?
7.
22.4 litre of water vapour at NTP, when condensed to water, occupies an approximate volume of:
8.
Which statement is correct?
9.
Excess of carbon dioxide is passed through 50 mL of 0.5 M calcium hydroxide solution. After the completion of the reaction, the solution was evaporate was evaporated to dryness. The solid calcium carbonate was completely neutralised with 0.1 N hydrochloric acid. The volume of hydrochloric acid required is (Atomic mass of calcium=40)
10.
9.8 g of 
is present in 2 litre of a solution. The molarity of the solution is:
is present in 2 litre of a solution. The molarity of the solution is: