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प्रश्न
Name the following:
The product of respiration released in exhaled air, other than carbon dioxide.
उत्तर
Water vapour and energy.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Carbon dioxide : “Although carbon dioxide plays no role in respiration, all life would come to an end if there is no carbon dioxide in air.” Support this statement with relevant facts.
Fill in the blanks :
_______ and ______ are the most common air pollutants.
Statement given below is incorrect. Write the correct statement :
Potassium nitrate on strong heating decomposes into potassium nitrite and nitrogen gas.
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
Aquatic plants and animals use _________ in water.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
Carbon dioxide with water changes
What is the presence of harmful substance in the air called?
Write the reaction of carbon dioxide with lime water.
Make sentences using the given set of words.
99%, oxygen, nitrogen, and air, together
