Which one of the following is not a sign of chemical change?

Which one of the following is not a sign of chemical change?

مندرجہ ذیل میں سے کون سی کیمیائی تبدیلی کی علامت نہیں ہے؟
Explanation

The correct answer is: No change in composition

  • A chemical change involves a transformation of one or more substances into new substances, which means a change in composition.

The signs of chemical change:

  • Release of gas
  • Change in color
  • Change in temperature
  • Change in smell
  • Production of a new material