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प्रश्न
State how carbon occurs in the free state and in the combined state.
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उत्तर
- Occurence of carbon : In free state – diamond, graphite, in impure form as coal.
- In combind state : CO2 in atmosphere, hydro-carbon as natural gas, petroleum, cellulose in wood and limestone CaCO3.
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संबंधित प्रश्न
Choose the correct alternative.
In combined state, carbon occurs as
State the term:
The property by which atoms of an element link together to form long chain or ring compounds.
Fill in the blank
...............is used in making black shoe polish.
Define the following:
Adsorption
Define catenation.
What is hydrocarbon? Give its one example.
Complete the statement by filling the blank with the correct word from the option.
Adsorption capacity of wood charcoal is increased by passing ______ over wood charcoal, at high temperature.
Higher Order Thinking Skill.
Why do carbon exist mostly in combined state?
Vinegar is a solution of
According to the Octet rule, carbon requires ______ electrons to attain the nearest noble gas.
