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प्रश्न
Observe the picture given in Fig. carefully and answer the following questions.
Can you comment on the air quality of the place shown in Fig?
उत्तर
The exhaust from vehicles is polluting the environment and deteriorating the air quality making it difficult to breathe clean air.
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संबंधित प्रश्न
Complete and balance the following chemical equation.
CaO + H2O → ____________
Tick (√ ) the most appropriate answer.
Magnesium burns with a dazzling white flame to form magnesium oxide, a powdery mass. The colour of magnesium oxide is :
Fill in the blank
The supporter of combustion in air is _____.
Why is carbon-dioxide gas used to extinguish fire?
Solvay process is a method to manufacture
List out the uses of nitrogen.
______ present in the air is needed for respiration.
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
When air is moving with cool and soothing, it is called a cyclone.
The composition of air changes slightly from place to place. Give examples.
