PDF chapter test TRY NOW
Which of the following do you suggest for Vinoth to pick to score a centum in his exam?
Statement 1: A day turning into night is a permanent change.
Statement 2: The changes in the human body is of both reversible and irreversible change.
Statement 1: The molecules vibrate in only a solid-state when heat is applied as they gain energy.
Statement 2:The molecules vibrate in all states of matter when heat is applied as they gain energy.
