For a neutral solution (pH = 7), the value of [H+] [OH-] is equal to_________________?

Related Mcqs:

The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?

A. 1 B. 6 C. 3 D. 4...

The combustion equations of carbon and carbon monoxide are as follows: C + O2 = CO2, ΔH = – 394 kJ/kg .mole CO + ½ O2 = CO2, ΔH = – 284.5 kJ/kg. mole. The heat of formation of CO is _____________ kJ/kg. mole?

A. -109.5 B. +109.5 C. +180 D. +100...

6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ______________ gm?

A. 0.5 B. 1 C. 3 D. 5...

Volume occupied by one gm mole of a gas at S.T.P. is ____________________?

A. 22.4 litres B. 22400 litres C. 22.4 c.c D. 359 litres...

The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be_______________?

A. 10% B. 5% C. 18.18% D. 20%...