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प्रश्न
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 |
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उत्तर
| column A | column B |
| 1. A product of incomplete burning | d. Carbon monoxide |
| 2. Nature of carben monoxide | e. Highly poisonous |
| 3. A compound formed by the combination of haemoglobin and carbon monoxide | c. Carboxy - haemoglobine |
| 4. A mixture of metallic oxides | a. Hopcolite |
| 5. Carbon monoxide | b. Combustible gas |
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संबंधित प्रश्न
Write the molecular formula of the 2nd and 3rd member of the homologous series whose first member is ethene.
Give two uses for the following:
sugar charcoal
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of acetic acid on sodium bicarbonate.
Tick the most appropriate answer.
Each molecule of Buckminster fulierene contains 60 atoms of carbon arranged as balls consisting of 12 pentagons and
a. 20 hexagons
b. 30 hexagons
c. 40 hexagons
d. 50 hexagons
FILL IN THE BLANK
..................... is used as a pigment and colouring matter in ink and shoe polish.
List the conclusions you will draw while studying the following properties of ethanoic acid :
(a) Odour
(b) Solubility in water
(c) Effect on litmus paper
(d) Reaction with sodium hydrogen carbonate
Answer the following question.
Draw methane electron dot structure.
How would you prove experimentally that carbon dioxide does not support combustion.
Starting from carbon dioxide how would you obtain a fertilizer.
[Give balanced equations for the same]
Assertion (A): Carbon monoxide is a toxic gas of carbon.
Reason (R): smoking is a source of carbon monoxide.
