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प्रश्न
Fill in the blank by choosing the correct word from the given list.
List: oxygen, carbonic, suIphur dioxide gas, precipitation, helium
____________ gas can cause acid rain.
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उत्तर
Sulphur dioxide gas can cause acid rain.
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संबंधित प्रश्न
What is rust ?
State at least two ways of prevent rusting.
State two most important conditions for rusting.
State how nitrogen is utilised by plants for their growth. Give a reason why nitrogen is used in flushing food packages.
Describe simple experiments to show the presence of -
oxygen and nitrogen component in air using a bell jar
Give the main experimental points only to demonstrate that magnesium.
Give the main experimental points only to demonstrate that candle-gains weight on burning.
Give reason for the following:
Combustion and respiration show similarity.
A process without emitting flame is called as ______.
Match the following
| 1. | Burning of meteors | a. | Exosphere |
| 2. | Weather change | b. | Stratosphere |
| 3. | Lowest temperature | c. | Mesosphere |
| 4. | Ozone layer | d. | Troposphere |
