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प्रश्न
Solvay process is a method to manufacture
विकल्प
lime water
aerated water
distilled water
sodium carbonate
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उत्तर
Sodium carbonate
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संबंधित प्रश्न
Briefly state the importance of Nitrogen.
Write down the composition of three main gases present in air by volume.
Write ‘true’ or ‘false for the following;
Carbon dioxide is given out during photosynthesis
State a reason why there is a balance in the amount of carbon dioxide in the air, even though carbon dioxide is released into the atmopshere by various processes.
Name the following:
The component of air which is present more in industrial areas.
State whether the following statement is ‘true’ or ‘false’. If false write the correct statement.
Photosynthesis is a process by which green plants prepare their own food in the presence of sunlight and chlorophyll.
Compare the three main components of air i.e. nitrogen, oxygen and carbon dioxide with reference to their density and solubility, nature and reactivity.
What is the source of carbon dioxide in air?
Arrange the following statements in correct sequence
- Plants manufacture food by a process called photosynthesis.
- Plants require energy for their growth.
- Plants take in oxygen and release carbon dioxide just as animals.
- Plants take carbon dioxide from the atmosphere, use chlorophyll in the presence of sunlight and prepare food.
- Such oxygen is available to animals and human beings for breathing.
- During this process, oxygen is released by plants.
A ______ gas that is used to remove carbon impurities from the steel.
