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Question

When paper is wrapped around an Aluminium pipe ____________.
  1. ignition temperature reduces
  2. the paper and aluminium catches fire very easily
  3. ignition temperature increase
  4. no change in ignition temperature

A
ignition temperature reduces
B
no change in ignition temperature
C
ignition temperature increase
D
the paper and aluminium catches fire very easily
Solution
Verified by Toppr

The ignition temperature of paper is lower compared to that of Aluminium. When paper is wrapped around an Aluminium pipe; the ignition temperature increases. That is why paper itself catches fire easily whereas a piece of paper wrapped around an Aluminium pipe does not.

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Question 5 (c)
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