One of the following processes does not involve a chemical reaction. That is_____________
A. Melting of candle wax when heated
B. Burning of candle wax when heated
C. Digestion of food in our stomach
D. Ripening of banana
Answer:A
One of the following processes does not involve a chemical reaction. That is_____________
A. Melting of candle wax when heated B. Burning of candle wax when heated C. Digestion of food in our stomach D. Ripening of banana