Q.

Which of the following does not involve a chemical reaction

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Melting of candle wax on heating

b

Burning of candle wax when heated

c

Digestion of food in our body

d

Process of respiration

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Melting of wax does not give rise to new products. When the temperature decreases, the wax solidifies again.

Because in physical change no new product is formed. 

 

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
Which of the following does not involve a chemical reaction