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प्रश्न
Carbon dioxide with water changes
विकल्प
blue litmus to red
red litmus to blue
blue litmus to yellow
doesn’t react with litmus
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उत्तर
Blue litmus to red
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संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Classify Carbon dioxide. Also give a balanced equation to prepare it.
Fill in the blank
The supporter of combustion in air is _____.
Write ‘true’ or ‘false for the following;
The major component of air is oxygen.
Name three different appliances where air is utilized.
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
Analogy
Photosynthesis : _____ :: Respiration : Oxygen
Which gas is essential for burning?
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?
Explain the following observations very briefly
An empty glass in fact is not empty.
