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प्रश्न
Give word equation for the following conversion:
Nitric acid to soluble nitrates in the soil
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उत्तर
Nitric acid+ calcium carbonate → Calcium nirtate + water + carbon dioxide
The water soluble calcium nitrates are absorbed by the plants and converted to plant proteins.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Water vapours : Explain their role in modifying the earth’s climate.
Suggest five measures to prevent air pollution.
Tick (√) the most appropriate answer.
A gas which dilutes the activity of oxygen in air is:
Give reason:
When water is heated, we see bubbles rising up.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
“Air is not an elementary substance, but a composition”. Why?
A ______ gas that is used to remove carbon impurities from the steel.
Match the following
| 1. | Oxygen | a. | Carbon dioxide |
| 2. | Azote | b. | Nitrogen |
| 3. | Solvay process | c. | Vital life |
| 4. | Gun powder | d. | No life |
State whether the following statement is true or false. If false, correct them.
Plants produce oxygen during the process of making their own food.
A list of words is given in a box. Use appropriate words to fill up the blank in the following statement.
Mountaineers carry oxygen ______ with them, while climbing high mountains.
