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प्रश्न
Select the appropeiate option of the following statement:
A nitrogenous fertilizer obtained from carbon dioxide.
विकल्प
Anthracite
Diamond
Carbogen
Urea
Lampblack
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उत्तर
Urea
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संबंधित प्रश्न
How many carbon atoms are there in Buckminster fullerenes?
State three ways by which carbon dioxide gas is added into the atmosphere.
Match the colunm
| column A | column B |
| 1. A product of incomplete burning | a. Hopcolite |
| 2. Nature of carben monoxide | b. Combustible gas |
| 3. A compound formed by the combination of haemoglobin and carbon monoxide | c. carboxy-haemoglobin |
| 4. A mixture of metallic oxides | d. Carbon monoxide |
| 5. Carbon monoxide | e. Highly poisonous |
State two characteristic features of carbon which when put together give rise to a large number of carbon compounds.
Explain the ways in which glucose is broken down in absence or shortage of oxygen.
State in brief the transformation of vegetable matter to different types of coal varying in carbon content.
State how you would convert carbon dioxide to a metallic carbonate using a basic oxide e.g. sodium oxide. [Give a balanced equation]
Give a balanced equation for the following conversion: [In one or two steps]
Carbon dioxide to carbon.
Complete the statement by filling the blank with the correct word from the option.
Sodium oxide combines with carbon dioxide to give _____
Assertion (A): Carbon monoxide is a toxic gas of carbon.
Reason (R): smoking is a source of carbon monoxide.
