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प्रश्न
Write fully balanced equation for the following :
Ca(OH)2 + CO2 →
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उत्तर
Ca(OH)2 + CO2 → CaCO3 + H2O
Lime water Carbon Calcium Water
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संबंधित प्रश्न
Fill in the blanks
Plants and animals maintain the balance of carbon ___________and _________ in the air.
Fill in the blanks
Oxygen is used in ___________the food to get _______.
Name three different appliances where air is utilized.
Name the following:
The product formed when phosphorus burns in oxygen.
Air is made up of oxygen only.
How will you prove that air supports burning?
The composition of air changes slightly from place to place. Give examples.
Venus's atmosphere consists of roughly 96 – 97% of ______.
______ is used as a substitute for compressed air in tyres.
Boojho took an empty plastic bottle, turned it upside down and dipped its open mouth into a bucket filled with water. He then tilted the bottle slightly and made the following observations.
- Bubbles of air came out from the bottle.
- Some water entered the bottle.
- Nitrogen gas came out in the form of bubbles and oxygen got dissolved in water.
- No bubbles formed, only water entered the bottle.
Which observations is/are correct?
