On mixing 56 gm of CaO with 63 gm of HNO₃, the amount of Ca(NO₃)₂ formed is __________ gm. 164 41 82 8.2 TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the wrong unit conversion. 1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm² 1 kPa = 100 bar 1 mm Hg = 1 torr = 133.3 Pa None of these TRUE ANSWER : ? YOUR ANSWER : ?
500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg. 700 600 650 375 TRUE ANSWER : ? YOUR ANSWER : ?
A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the Atomic weight of the metal is 2 Atomic weight of the metal is 4 Equivalent weight of the metal is 4 Equivalent weight of the metal is 8 TRUE ANSWER : ? YOUR ANSWER : ?
With rise in pressure, the solubility of gases in solvent, at a fixed temperature Increases Remains unchanged Decreases Decreases linearly TRUE ANSWER : ? YOUR ANSWER : ?
With rise in temperature, the solubility of ammonia in water at a fixed pressure Increases exponentially Decreases Increases Remains unchanged TRUE ANSWER : ? YOUR ANSWER : ?
In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the Both A & B Total pressure Absolute humidity at a given temperature Neither A nor B TRUE ANSWER : ? YOUR ANSWER : ?
An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is 0.2528 0.5 0.5055 0.25 TRUE ANSWER : ? YOUR ANSWER : ?
Degrees of freedom will be equal to the number of components for a system comprising of Only soluble liquid components Partially miscible two liquid components system having two phases None of these Two liquid components and one solute (soluble in both the liquids) TRUE ANSWER : ? YOUR ANSWER : ?
For estimation of heat capacity of a solid compound, one can use Kopp's rule Gibb's equation Clayperon's equation Trouton's rule TRUE ANSWER : ? YOUR ANSWER : ?