Stoichiometry If pH value of a solution is 8, then its pOH value will be 1 10 7 6 1 10 7 6 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 gm mole of methane (CH₄) contains 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon 4 gm atoms of hydrogen 6.02 x 1023 atoms of hydrogen 3.01 x 1023 molecules of methane 3 gms of carbon ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent? Nature of solvent Nature of solute Temperature Pressure Nature of solvent Nature of solute Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 350 140 485 345 350 140 485 345 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry On mixing 56 gm of CaO with 63 gm of HNO₃, the amount of Ca(NO₃)₂ formed is __________ gm. 82 8.2 41 164 82 8.2 41 164 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The crystallisation of a solute from a solution may be done by Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these Removal of pure solvent by evaporation Changing the nature of the system by the addition of a more soluble material Change of temperature thereby causing supersaturation All of these ANSWER DOWNLOAD EXAMIANS APP
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