Question

GASES hoose the correct option Which of these is not a part of 2 Which of these gases is present in the highest percentage in the atmosphere? 3 Which gas is used by plants for manufacturing their food? הרי אווזיוון a Nitrogen b. Oxygen Carbon dioxide a. Helium Carbon dioxide C Argon 000 ODO a Hydrogen Argon Nitrogen 5 Which gas is the lightest of all elements? Which gas is said to be an 'inert' gas? Which of the following gases supports combustion! a. Carbon dioxide b. Argon c Oxygen a Oxygen b. Nitrogen Hydrogen a Hydrogen b. Nitrogen COxygen 00 > Dry ice is the solid form of 8 Which gas in its liquid state helps in freezing? which gas? a. Argon b. Carbon dioxide Oxygen 00 a. Hydrogen b. Argon C Nitrogen 00 Let Us Apply Do You Know? Pure gases are made up of just one om. Neon is one such example The air we breathe is a combination of gases Discuss the composition of air.​

Answer 1

Which of these gases is present in the highest percentage in the atmosphere?

Answer:Nitrogen

Which gas is used by plants for manufacturing their food?

Answer:$CO_{2}$

Which gas is the lightest of all elements?

Answer:Hydrogen

Which gas is said to be an 'inert' gas?

Answer:Argon

Which of the following gases supports combustion?

Answer:$O_{2}$

Which gas in its liquid state helps in freezing?

Answer:Nitrogen

Answer 2

Answer:

all of these

Explanation:

In air there are many gasses like nitrogen,oxygen,and carbon dioxide