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
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
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
A Proportional to
B Independent of
C Inversely proportional to
D Proportional to the square of
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
Rate of chemical reaction is not much affected, if the reactants are in __________ form.
A Solids
B Liquids
C Either A or B
D Gaseous
In case of a/an __________ chemical reaction, conversion increases with the rise in temperature.
A Reversible exothermic
B Irreversible exothermic
C Irreversible endothermic
D Reversible endothermic
Due to 30% fall in the price of television sets there is rise of 20% in the sales. How will the income of the shop be affected?
A 16% rise
B 15% rise
C 16 % fall
D 15% fall
In Chittagong stock exchange, the price ot Bata snare rise 30% yesterday and fall 20% today. What is the total rise or fail percentage?
A 4% rise
B 8% rise ,
C 6% rise
D 10% rise
The rise time of a pulse waveform is the time required for the voltage to rise:
A from zero to its rms value
B from zero to its peak value
C from 10% of the peak value to 70.7% of the peak value
D from 10% of the peak value to 90% of the peak value
E None of the above

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