A) W
B) X
C) Y
D) Z
Correct Answer: B
Solution :
The ignition temperature of a substance is the lowest temperature at which a substance catches fire. On bringing a lighted matchstick near the substances W, X, Y, and Z, the ignition temperature of X is not reached. However, the ignition temperature of W, Y, and Z are reached. Hence, while X does not burn, W, Y, and Z burn readily. Thus, the ignition temperature of X would be the highest among the substances taken by Sakshi. The correct answer is B.You need to login to perform this action.
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