|A) Both A and R are true and R is the correct explanation of A.
|B) Both A and R are true but R is NOT the correct explanation of A.
|C) A is true but R is false.
|D) A is false but R is true.
Answer: C) A is true but R is false.
The handles of pressure cookers are made of ebonite because it being a bad conductor of heat, does not heat up.