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प्रश्न
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
उत्तर
Argon gas at low pressure is used for filling electric bulbs.
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संबंधित प्रश्न
What do you understand by the term polluted air?
Classify Carbon monoxide. Also give a balanced equation to prepare it.
Fill in the blank
The supporter of combustion in air is _____.
Fill in the blank
Aquatic plants and animals use _________ in water.
Write ‘true’ or ‘false for the following;
The composition of air was discovered by Lavoisier.
Name the components of air with their approximate percentage by volume in air. Does the percentage by volume of each component remain the same, in the atmosphere of different parts of the world? Explain with reasons.
Tabulate the various components of air, including the components with variable composition.
The constituent of air that supports combustion is _____.
Match the following
| 1. | Moving Air | Photosynthesis |
| 2. | Layer in which we live | Troposphere |
| 3. | Stratosphere | Wind |
| 4. | Oxygen | Ozone layer |
| 5. | carbon-di-oxide | Combustion |
The components of air which are harmful to living beings are
