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प्रश्न
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
विकल्प
oxygen
carbon dioxide
nitrogen dioxide
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उत्तर
The product formed which is common to both combustion and respiration is nitrogen dioxide
संबंधित प्रश्न
What do you observe when Calcium is heated and then tested with moist blue and red litmus – paper?
The diagrams below represents an experiment to show the presence of a component of air.
- State why air is sucked from – outlet ‘B’ and not from outlet “A”
- State why the air is sucked ‘slowly’ from the outlet “B”
- State the observation seen after completion of the experiment.
- State the reason for the above observation seen.
- Name another component which if present in air as a pollutant would have given a similar observation
What is the percentage of nitrogen in air?
What is the percentage of oxygen in air?
Mention one necessary condition for the combustion to take place.
Why is carbon-dioxide gas used to extinguish fire?
Nitrogen is used in the food packaging industry because it _____.
______ present in the air is needed for respiration.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
The components of air which are harmful to living beings are ______.
