Which of the following is 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 your stomach
D. Ripening of banana
Answer:A
Which of the following is 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 your stomach D. Ripening of banana