Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Remain unchanged. Decrease. increase. Either A or B; depends on the concentration of the solution. Remain unchanged. Decrease. increase. Either A or B; depends on the concentration of the solution. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 9.03 x 10²⁴ 3.01 x 10²² 6.02 x 10²³ 1.20 x 10²⁴ 9.03 x 10²⁴ 3.01 x 10²² 6.02 x 10²³ 1.20 x 10²⁴ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 43834 4 √2 43832 43834 4 √2 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The average value of heat of neutralisation of dilute solution of strong acids and strong bases is about __________ kcal/kg.mole of water formed. 97302 13360 2481 6680 97302 13360 2481 6680 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. 82 164 8.2 41 82 164 8.2 41 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 18.33 kJ 16.15 kJ 10.73 kJ 18.11 kJ 18.33 kJ 16.15 kJ 10.73 kJ 18.11 kJ ANSWER DOWNLOAD EXAMIANS APP