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) 0.4 2240 4480 1120 0.4 2240 4480 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 5 3 1 0.5 5 3 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 1.20 x 10²⁴ 9.03 x 10²⁴ 3.01 x 10²² 6.02 x 10²³ 1.20 x 10²⁴ 9.03 x 10²⁴ 3.01 x 10²² 6.02 x 10²³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Isotopes are atoms having the same Number of neutrons Atomic mass None of these Mass number Number of neutrons Atomic mass None of these Mass number ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For a given mass of a gas at constant temperature, if the volume 'V' becomes three times, then the pressure 'P' will become 3P P/3 9P² 9P 3P P/3 9P² 9P ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be 10 14 7 10 14 7 ANSWER DOWNLOAD EXAMIANS APP
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