Question

Find the correct sentences from these and rewrite the wrong sentences
correctly.
1. The percentage of oxygen in air is 10 percent.
2. On heating potassium permanganate we get nitrogen gas.
3. Sulphur dioxide when mixed with air, pollutes it.
4. The air pressure in the balloon is due to the air filled in it, striking the
walls of the balloon.
5. Because of the inertness of nitrogen gas, it is filled in the electric bulbs.
Match the foll​

Answer 1

Answer: The atmosphere is a big place and the percentage of Water vapour varies from Jungle to desert, from Summer

 

to winter, and even by day and night.

 

So we measure the percentage of gases in dry air-air that has had all the Water vapour removed by cooling it until it condenses.

 

You should know that 21% is Oxygen (O2), 78% is Nitrogen (N2) and that most of the remaining gas (0.9%) is the Noble Gas, Argon.

 

Carbon Dioxide is a very important gas but makes up only 0.04% of the air

Answer 2

Answer:

I don't understand the question but I will try to answer..

Explanation:

1....