50cm3
150cm3
200cm3
300cm3
Correct answer is B
According to the equation 2NH3 → N2 + 3H2 2x22400cm 3 of ammonia will produce 3x22400cm 3 of hydrogen if 100cm3 of NH3 is used H2 volume = 100/2x22400 x 3 x22400 = 150cm3
Which of the following alloys is mainly used in making statues? ...
Which of the following methods is commonly used to remove suspended impurities from water? ...
Nigerian crude oil is described as light crude because of its ...
Which of the following substances is a non-electrolyte? ...
What will happen if more heat is applied to the following system at equilibrium? X2(g) + 3Y\(_...
How many unpaired electron are in the p-orbitals of a fluorine atom? ...
The colour of litmus in an alkaline medium is ...
The following salts are readily soluble in water except ...
32g of anhydrous copper(ii)tetraoxosulphate(vi) dissolved in 1dm3 of water generated 13.0kj of ...
Which of the following reactions is (are) feasible? I Br (1) + 2CI 2(aq) 2Br (aq) + CI 2(g) ll 21...