Advertisements
Advertisements
Question
Name the following:
The component of air which does not support combustion.
Advertisements
Solution
Nitrogen
RELATED QUESTIONS
Define the term smog.
State three uses of water vapour in the air.
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
Complete the statement given below by filling in the blank with the correct word from the words given:
The component of air which is variable in air above sea level and in air in general ______.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Carbon dioxide, water vapour and energy in the form of heat are evolved during respiration.
Why is carbon-dioxide gas used to extinguish fire?
Write the percentage of the gases present in air.
Whales come up to the water surface to breathe in oxygen.
Nitrogen is essential for burning.
When air is moving with cool and soothing, it is called a cyclone.
