Question

Rishabh took three substances P, Q and R and burnt them one by one. He noted down his observations given below: I Substance P burns quickly producing heat and light II Substance Q burns in room temperature on its own III Substance R burns with the evolution of heat, light and sound. Which one of the following statement regarding the given information is correct?​

Answer 1

Answer:

(II substance):-information given for the "substance ll" is incorrect .

(Substance l and lll ) :- "substance l and lll" satisfy the statement.

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