Stoichiometry The number of H⁺ in 1 c.c solution of pH 13 is 6.023 x 10¹⁰ 6.023 xl0¹³ 6.023xl0⁷ 10¹³ 6.023 x 10¹⁰ 6.023 xl0¹³ 6.023xl0⁷ 10¹³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Stripping Absorption Leaching Differential distillation Stripping Absorption Leaching Differential distillation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 100°C 200°C 273°K 273°C 100°C 200°C 273°K 273°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An ideal gas can be liquified, because Forces operative between its molecules are negligible Its critical temperature is more than 0°C It gets solidified directly without becoming liquid Its molecular size is very small Forces operative between its molecules are negligible Its critical temperature is more than 0°C It gets solidified directly without becoming liquid Its molecular size is very small ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressures of benzene and toluene are 3 and 4/3 atmospheres respectively. A liquid feed of 0.4 moles of benzene and 0.6 moles of toluene is vapourised. Assuming that the products are in equilibrium, the vapor phase mole fraction of benzene is 0.4 0.8 0.6 0.2 0.4 0.8 0.6 0.2 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 Increased with the increase in pressure Decreased with the increase in pressure Unchanged by the pressure change Independent of the temperature Increased with the increase in pressure Decreased with the increase in pressure Unchanged by the pressure change Independent of the temperature ANSWER DOWNLOAD EXAMIANS APP
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