Related Questions

The most common cause of acidity in water is
A Carbon dioxide
B Oxygen
C Hydrogen
D Nitrogen
In __________ process, ions of salts react with water to produce acidity or alkalinity.
A Hydration
B Hydrolysis
C Electrolysis
D Dialysis
To check acidity, one had better ------litmus paper.
A using
B useful
C usable
D use
To check acidity, one had better_____a litmus paper.
A suing
B use
C to use
D useful
To check acidity, one had better ——litmus paper.
A using
B useful
C usable
D use
The apparatus used to test acidity of aqueous solution is
A PH meter
B Ammeter
C Hygrometer
D Acidmeter
কোন যৌগ সাধারণত মাটির অম্লতা কমাতে যোগ করা হয়? (Which compound is usually added to soil to reduce its acidity?)
A Al (OH)3 
B Ca (OH) 2
C Mg (OH) 2
D NaOH
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the
A Pipe length
B Fluid velocity in the pipe
C Time taken to close the valve
D All of the above
A person travels I2 km due north, then 15 km due east after that I5km due west and then 18 km due south. How far B she from the starting point?
A 6km
B 10km
C 33km
D 60km
A sink contains exactly 12 liters of water. If water is drained from the sink until it holds exactly 6 liters of water less than the quantity of water drained away, how many liters of water were drained away ?
A 2
B 3
C 9
D 6

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