Subject :NSO Class : Class 7
Which of the following is a different type of change
than the others?
A Nimit leaves a piece of bread in the toaster for too
long. The bread becomes black and kitchen fills
with smoke.
B Madhu forgot to dry the bread knife after washing.
Reddish brown spots appeared on it.
C Renu kept few naphthalene balls in her almirah.
After few days, the balls disappeared from the
almirah.
D A plant collects sunlight and prepare food by
photosynthesis.