Air contain 20 % O2 by volume. How many cm³ of air will be required for oxidation of 100 cm³(ml) of acetylene?

SOLUTION:

The hydrated salt, Na2SO4.nH2O undergoes 55.9% loss in weight on heating and becomes anhydrous. The value of n will be?

SOLUTION:

Haemoglobin contains 0.33% of Iron by weight. The molecular weight of it is approx. 67200. The numbers of iron atoms (Atomic wt of Fe=56 u) present in one molecule of Haemoglobin are?

SOLUTION:

What is the % composition of each element in (Mg(OH)2) magnesium hydroxide?

SOLUTION:

Calculate the percent Nitrogen in Dinitrogen (N2O) Monoxide?

SOLUTION: