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Class XI Chemistry Mole concept and Stoichiometry 9
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Question 1
In which of the following pairs of compounds the ratio of C,H and O is same:
Question 2
The empirical formula of an acid is CH2O2, the probable molecular formula of acid may be:
Question 3
A compound possesses 8% sulphur by mass. The least molecular mass is:
Question 4
A gaseous compound of nitrogen and hydrogen contains 12.5% (by mass) of hydrogen. The density of the compound relative to hydrogen is 16. The molecular formula of the compound is :
Question 5
Law of definite proportion is given by:
Question 6
Law of constant composition does not hold good for:
Question 7
An unbalanced chemical reaction such as H2 + O2→H2O is against
Question 8
8.4 g MgCO3 on heating leaves behind a residue weighing 4.0g carbon dioxide released into the atmosphere at S.T.P will be
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Jun 3JEE & BITSAT
