NSO Science Olympiad Online Mock Test Class 6 Set C

Page 1 of 50

Question 1

Question

Select the incorrect statement.

Answer
Water particles on heating become free from their existing arrangement to move faster and escape into the air.
In summer, due to heat, electric cables expand and hang loosely from poles.
Cooling a substance slows down the movement of its particles.
Water expands on heating, thus ice occupies more space.