- AIncrease
- BDecrease
- CRemains constant
- DFirst decrease then increase
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

If nearly coulomb liberate 1 gm equivalent of aluminium, then the amount of aluminium (equivalent weight 9) deposited through electrolysis in 20 minutes by a current of 50 amp will be
|
(a) 0.6 gm |
(b) 0.09 gm |
(c) 5.4 gm |
(d) 10.8 gm |
The equation
is
|
(a) b -emission |
(b) a -emission |
(c) e– capture |
(d) Fission |
Specific rotation of sugar solution is 0.01 SI units. 200
of impure sugar solution is taken in a polarimeter tube of length 0.25m and an optical rotation of 0.4rad is observed. The percentage of purity of sugar is the sample is
|
(a) 80% |
(b) 89% |
(c) 11% |
(d) 20% |
A railway compartment is lit up by thirteen lamps each taking 2.1 amp at 15 volts. The heat generated per second in each lamp will be
|
(a) 4.35 cal |
(b) 5.73 cal |
(c) 7.5 cal |
(d) 2.5 cal |