CTET 2 Math and Science Sep 2016 Paper

Question Nos. 61 to 63 are based on thefollowing passage.A teacher of Class VIII demonstrates the following activity inher class :“The teacher takes a small amount of sulphur in a spoonand burns it. She then puts the spoon into a tumbler with a lidto ensure that the gas produced does not escape. After a fewminutes, she adds water to the tumbler.”