Question
When a bottle of perfume is opened in one corner of a
room the smell spreads soon throughout the room. This is an example of -Solution
Diffusion is the spreading – mixing of gases through molecular motion.
Which statement is incorrect regarding the atmospheric layers and their characteristics?
How does a bulb glow when the switch is turned on?
Who is elected as the new President of the country South Korea?
Which gas is commonly used for the artificial ripening of fruits?
Ebola disease is caused by which of the following?
Who discovered the virus?
Who discovered Penicillin?
A satellite is used for
What is the other name for conventional source of energy?
Which instrument is commonly used to measure the depth of water bodies?