Components of air

Which are the main components in air?

• Nitrogen

• Carbon dioxide

• Argon

• Oxygen

Nitrogen is an active component.

• True

• False

Example of a leguminous plant

• Rose

• Maize

• Peas

• Margo

Nitrogen is utilized by?

• Animals

• Humans

• Plants

Nodules of leguminous plants contains -

• Symbiotic bacteria

• Plant proteins

Oxygen supports combustion.

• True

• False

Why is nitrogen used for flushing food packets

• To reduce combustion

• To reduce bacterial growth

• None of above

Why we should not buy deflated food packets

• Because it doesn't contain nitrogen.

• As it can cause combustion.

• As it has chances of bacterial growth.

Oxygen is not used for respiration.

• True

• False

_____ is released into the air as a result of all burning.

• Oxygen

• Nitrogen

• Carbon dioxide

• None of above