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) 2240 4480 0.4 1120 2240 4480 0.4 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 3.01 x 10²² 9.03 x 10²⁴ 1.20 x 10²⁴ 6.02 x 10²³ 3.01 x 10²² 9.03 x 10²⁴ 1.20 x 10²⁴ 6.02 x 10²³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A bypass stream in a chemical process is useful, because it Increases the yield of products None of these Improves the conversion Facilitates better control of the process Increases the yield of products None of these Improves the conversion Facilitates better control of the process ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Recycling in a chemical process facilitates Enrichment of product Increased yield Heat conservation All of these Enrichment of product Increased yield Heat conservation All of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of neutralisation of HCl and NaOH is - 57.46 kJ/Kg mole. The heat of ionisation of water will be __________ kJ/Kg mole. -28.73 114.92 -57.46 57.46 -28.73 114.92 -57.46 57.46 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Avogadro number is the number of molecules in one __________ of a gas. Litre Gram Gm.mole Kilogram Litre Gram Gm.mole Kilogram ANSWER DOWNLOAD EXAMIANS APP
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