436: Assertion (A) :
Formic acid is a stronger acid than acetic acid.
Reason (R):
Formic acid is an organic acid.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
437: Consider the following statements:
1. National Thermal Power Corporation has diversified into hydropower sector.
2. Power Grid Corporation of India has diversified into telecom sector.
Which of the statements given above is/ are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
438: During Aurangzeb's reign, which of the following were not included in his government?
(a) Rajputs
(b) Pathans
(c) Marathas
(d) All of these
439: Assertion (A) :
An iron ball floats on mercury but gets immersed in water.
Reason (R) :
The specific gravity of iron is more than that of mercury.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
440: Assertion (A)
The revolt of 1857 failed
Reason (R)
It lacked adequate organisation and military power
(a) Both A and R are correct but R is not the correct explanation of A
(b) A is correct but R is incorrect
(c) A is incorrect but R is correct
(d) Both A and R are correct and R is correct explanation of A