In chemical change which is not happens.
A. Heat, light may be released or absorbed.
B. A colour change may take place and sound may be produced.
C. Original substances may be formed on reversing the process
D. None
Answer:C
In chemical change which is not happens.
A. Heat, light may be released or absorbed. B. A colour change may take place and sound may be produced. C. Original substances may be formed on reversing the process D. None