On mixing 56 gm of CaO with 63 gm of HNO₃, the amount of Ca(NO₃)₂ formed is __________ gm. 41 8.2 164 82 TRUE ANSWER : ? YOUR ANSWER : ?
Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Elevation in boiling point in the ratio of their molecular weights Same elevation in boiling point Different elevation in boiling point None of these TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the wrong unit conversion of heat transfer co-efficient. 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°K = 1.163 W/m².°C 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C TRUE ANSWER : ? YOUR ANSWER : ?
The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Combustion Fusion Formation Solution TRUE ANSWER : ? YOUR ANSWER : ?
The quantity of heat required to evaporate 1 kg of a saturated liquid is called 1 Kcal Sensible heat Latent heat Specific heat TRUE ANSWER : ? YOUR ANSWER : ?
Pick out the wrong unit conversion of calorific value. 1 BTU/lb = 2.3 kcal/kg 1 kcal/m³ = 0.1124 BTU/ft³ 1 BTU/ft³ = 8.9 kcal/m³ = 0.038 MJ/m³ 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a unit of length? Fermi Parsec Angstrom Barn TRUE ANSWER : ? YOUR ANSWER : ?
Na₂SO₄. 10H₂O crystals are formed by cooling 100 Kg of 30% by weight aqueous solution of Na₂SO₄. The final concentration of the solute in the solution is 10%. The weight of crystals is 20 32.2 45.35 58.65 TRUE ANSWER : ? YOUR ANSWER : ?
A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is 2 0.5 1 0.5 TRUE ANSWER : ? YOUR ANSWER : ?