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प्रश्न
What should be done if the clothes of a person catch fire accidentally? Why?
टीपा लिहा
उत्तर
- Cover the person in a rug or blanket and Roll him on the floor.
- This will cut off the air and put out the flames.
- A suitable fire extinguisher can also be chosen.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 4: Air - Evaluation [पृष्ठ ५६]
APPEARS IN
संबंधित प्रश्न
Name two air pollutants which cause global warming.
Fill in the blank
Air is a ______ of gases
Tick (√) the correct alternative from the choice given for the following statement.
The gases which cause acid rain are
What will happen if the number of vehicles and factories in your surroundings increases?
While freezing, the ______ of water is lowered.
Explain Lavoisier’s experiment which provided evidence to the discovery of components in air.
Fill in the blank:
Rusting is a chemical reaction which involves _____ oxidation.
The composition of air is always exactly the same.
What is global warming?
List five activities that are possible due to the presence of air.
