Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.9 0.8 0.98 0.95 0.9 0.8 0.98 0.95 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? 20 c.c acid and 25 c.c base 35 c.c acid and 15 c.c base 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 35 c.c acid and 15 c.c base 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 4480 2240 1120 0.4 4480 2240 1120 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The osmotic pressure of a solution increases, if its __________ is decreased. None of these Volume Temperature Solute concentration None of these Volume Temperature Solute concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry How much O₂ can be obtained from 90 kg of water? 64 kg 32 kg 80 kg 90 kg 64 kg 32 kg 80 kg 90 kg ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The depression in freezing point of a solution is Both A & B Inversely proportional to the mass of solvent Neither A nor B Directly proportional to the mole of solute Both A & B Inversely proportional to the mass of solvent Neither A nor B Directly proportional to the mole of solute ANSWER DOWNLOAD EXAMIANS APP
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