Question

A. Tiek ( the correct option: 1. Bharati took a piece of four substances - W, X, Y and Z. She tried to burn each of them by bringing a lighted matchstick near them. She observed that Y and Z burn readily. while W burns readily only after sustained heating. However, X does not burn at all Among the given substances taken by Bharati, which substance has the highest ignition temperature? (a) W (b) X (c) Y (d) Z
please answer Fast ​

Answer 1

Answer:

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Answer 2

Answer:

B

Explanation:

• The ignition temperature of a substance is the lowest temperature at which a substance catches fire .on bringing a lighted matchstick near the substance 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,Z burn readily. Thus, the ignition temperature of X would be the highest among the substance taken by Sakshi. The correct answer is B.