Question

The ignition temperatures of four substances P, Q, R and S are 60°C, 80°C, 150°C and 160°C respectively. Which of the following pairs of substances catch fire at 100°C? A) Q and S B) P and R C) R and S D) P and Q​

Answer 1

Answer:

Option (D) P and Q is correct.

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Answer 2

Answer:

D) P and Q​

Explanation:

The ignition temperatures of four substances P, Q, R and S are 60°C, 80°C, 150°C and 160°C respectively. Which of the following pairs of substances catch fire at 100°C P and Q​