A balloon inflated with air is heavier than an uninflated balloon. Which of the following statements does not apply to matter in gaseous state?
1. Balloons inflated by children 2. Crops harvested by farmers
Which of these is/are examples of reversible(s) changes?
• Take any magazine or newspaper that has colourful pages.• Cut out balloons of various sizes and shapes carefully, using a pair of scissors.• Paste the balloons on a large sheet of paper.• Arrange them to make a colourful bunch of ballons.• Draw a string for each balloon in a different colour.