Related Questions

For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise.
A Sodium chloride
B Sodium carbonate monohydrate
C Anhydrous sodium sulphate
D Hypo
With rise in pressure, the solubility of gases in solvent, at a fixed temperature
A Increases
B Decreases
C Remains unchanged
D Decreases linearly
Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature.
A Carbonate (monohydrate)
B Chloride
C Thiosulphate
D Bisulphite
With increase in temperature, the solubility of gases in liquids, at fixed pressure
A Increases
B Decreases
C Remains same
D Either A or B, depends on the system
A delivery car went from Candleford to Lark Rise and back at an average speed of23 miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?
A 13
B 34
C 12
D 23
A delivery cart went from Candle ford to Lark Rise and back at an average speed of 2/3 miles per hour. If the distance from Candle ford to Lark Rise is 1 mile, and the trip back took half as much time as the trip there, what was the average speed of the delivery cart on the way to Lark Rise?
A 1/3
B 3/4
C 1/2
D 2/3
The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called
A Condenser efficiency
B Vacuum efficiency
C Nozzle efficiency
D Boiler efficiency
Fertiliser plant making ammonium sulphate employing gypsum-ammonia reaction (usual practice is to use ammonia and sulphuric acid) is located at
A Rourkela (under SAIL)
B Bokaro (under SAIL)
C Sindri (under FCI)
D Baroda (under G.S.F.C.)
At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to
A Decrease in mean free path
B Increased collision rate among molecules
C Increase in molecular attraction
D Increase in average molecular speed
If the heat of solution of an ideal gas in a liquid is negative, then its solubility at a given partial pressure varies with the temperature as
A Solubility increases as temperature increases
B Solubility increases as temperature decreases
C Solubility is independent of temperature
D Solubility increases or decreases with temperature depending on the Gibbs free energy change of solution

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