Stoichiometry Which of the following is an exothermic reaction? Dehydrogenation of ethane to ethylene Conversion of graphite to diamond Decomposition of water None of these Dehydrogenation of ethane to ethylene Conversion of graphite to diamond Decomposition of water None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of length? Angstrom Barn Fermi Parsec Angstrom Barn Fermi Parsec ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is Halved Unpredictable Doubled Trebled Halved Unpredictable Doubled Trebled ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C2H33OH C₄H9OH C₃H21OH (C₂H₄)2H₂.OH C2H33OH C₄H9OH C₃H21OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In case of a solution (not of a solid in a liquid), whose total volume is more than the sum of volumes of its components in their pure states, solubility is Unchanged by the pressure change Increased with the increase in pressure Decreased with the increase in pressure Independent of the temperature Unchanged by the pressure change Increased with the increase in pressure Decreased with the increase in pressure Independent of the temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of Wetting Complete wetting Adsorption Mixing Wetting Complete wetting Adsorption Mixing ANSWER DOWNLOAD EXAMIANS APP
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