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प्रश्न
Write the chemical name of The white insoluble solid formed on the reaction of carbon dioxide with lime water.
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उत्तर
Calcium carbonate – CaCO3
These droplets were present in the air as moisture which got condensed on the cooler walls of a glass tumbler. This shows the presence of water vapours in air.
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संबंधित प्रश्न
How is greenhouse effect produced?
Give two uses of the following component present in air:
water vapour
Name two air pollutants which cause global warming.
State four steps to be taken to control air pollution.
Fill in the blank
Polluted air is harmful to ____.
Tick (√) the correct alternative from the choice given for the following statement.
The substance which accelerates the speed of a reaction without itself undergoing any change is called
What will happen if the number of vehicles and factories in your surroundings increases?
While freezing, the ______ of water is lowered.
What should be done if the clothes of a person catch fire accidentally? Why?
State whether the following statement is true or false. If false, correct them.
Air does not occupy any space.
