Which of the following do you suggest to prefer to score a centum in exam?
 
1. Statement 1: ​No new substance is formed in physical change.
 
Statement 2: ​The burning of wood is the best example for physical change.
 
2. Statement 1: ​Growing of a baby is a slow change.
 
Statement 2: ​Bursting of a cracker is a fast change.