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प्रश्न
Fill in the blank
...............is used in making black shoe polish.
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उत्तर
lampblack is used in making black shoe polish.
APPEARS IN
संबंधित प्रश्न
Name the products formed when:
bone is heated in the absence of air.
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 |
FILL IN THE BLANK
.................... is the main gaseous compound of carbon.
What are hydrocarbons ? Name the two different forms of hydrocarbons.
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.
Name the type of bonds formed in the methane compound.
Complete the statement by filling the blank with the correct word from the option.
______ Chemistry is the Chemistry of carbon compounds mainly of ‘Carbon’, ‘Hydrogen’ & ‘Oxygen’.
The carbon cycle is the ______ cycle.
Cigarette smoking is a source of ______.
There is more abundance of carbon on the earth.
