Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 12 96 40 48 12 96 40 48 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20)? A₂B AB₃ A₂B₃ AB₂ A₂B AB₃ A₂B₃ AB₂ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An ideal gas can be liquified, because It gets solidified directly without becoming liquid Its molecular size is very small Its critical temperature is more than 0°C Forces operative between its molecules are negligible It gets solidified directly without becoming liquid Its molecular size is very small Its critical temperature is more than 0°C Forces operative between its molecules are negligible ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The reverse process of fractional crystallisation is called Stripping Leaching Differential distillation Absorption Stripping Leaching Differential distillation Absorption ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pH value of a solution changes by one unit, it implies that hydrogen ion concentration in the solution will change __________ times. 70 20 100 10 70 20 100 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 8 12 6 10 8 12 6 10 ANSWER DOWNLOAD EXAMIANS APP
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