MEDIUM
8th Kerala Board
IMPORTANT
Earn 100
Can you explain causes why steam causes more severe burns than boiling water at the same temperature?
Important Questions on Water
MEDIUM
8th Kerala Board
IMPORTANT
Does water containing other dissolved substances also boil at ? Find out by heating water when some common salt is added after adding some common salt to it.
MEDIUM
8th Kerala Board
IMPORTANT
Why it is easy to cook food in pressure cookers?
MEDIUM
8th Kerala Board
IMPORTANT
What happens to the boiling point of water at decreased pressure?
MEDIUM
8th Kerala Board
IMPORTANT
In high altitude regions, water boils at a temperature below . What do you, understand from this?
EASY
8th Kerala Board
IMPORTANT
Does water vaporise only at its boiling point?
EASY
8th Kerala Board
IMPORTANT
When equal quantity of water and coconut oil are heated which of the two temperatures reaches a higher value in a specified time?
MEDIUM
8th Kerala Board
IMPORTANT
Normally, all substances shrink on cooling and their volume decreases. This increases its density, if that is the case ice should sink in water. But does it happen? Find out?
MEDIUM
8th Kerala Board
IMPORTANT
When water freezes to ice, does it expand or shrink?
