Analogy 78% of air: Does not support combustion:: _____: Supports combustion

Analogy

78% of air: Does not support combustion:: _____: Supports combustion

रिक्त स्थान भरें

78% of air: Does not support combustion:: 21% of air: Supports combustion

shaalaa.com

क्या इस प्रश्न या उत्तर में कोई त्रुटि है?

अध्याय 4: Air - Evaluation [पृष्ठ ५६]

अध्याय 4 Air
Evaluation | Q VI. 2. | पृष्ठ ५६

List any three human activities that you think would lead to air pollution.

Give one use for the following inert gase :

radon

Define the Weather.

What is climate?

Describe the major components of air pollution.

Describe the causes and effects of air pollution.

State the utility of –
(a) Water vapour
(b) Rare or inert gases present in the air.

Give the environment effect of three polluting gases with a reason why nitrogen is not considered a polluting gas.

Tick the object which gives out water vapour.

CO₂ turns calcium hydroxide solution to a milky white solution.