Advertisements
Advertisements
प्रश्न
Write ‘True’ or ‘False’ in front of following statement.
Water containing dissolved carbon dioxide can dissolve marble.
पर्याय
True
False
Advertisements
उत्तर
True.
APPEARS IN
संबंधित प्रश्न
What are the causes of air pollution?
Statement given below is incorrect. Write the correct statement :
Helium gas at low pressure is used for filling electric bulbs.
Tick (√) the most appropriate answer.
The presence of water vapour in air is essential for :
Tick (√) the most appropriate answer.
Which is not a polluting gas for the air?
Fill in the blanks
Oxygen is used in ___________the food to get _______.
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.
Compare respiration and combustion-both involving oxygen of the air.
Why is air considered as a mixture?
What happens if the percentage of oxygen in the air reaches to 70%?
Explain carbon dioxide and its uses.
