Correct answer
D. Both A. & B.
Explanation
The correct answer is Both A. & B..
Name the endothermic reaction out of the following?
Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of ________ as mercury does not amalgamate with it?
Fossil fuels mean________?
1 Kcal/kg. °C is equivalent to ________ BTU/lb. °F?
The mechanism involved in the removal of metal in drilling operation is by________?
Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for________?