Advertisements
Advertisements
Question
State how carbon occurs in the free state and in the combined state.
Advertisements
Solution
- 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.
APPEARS IN
RELATED QUESTIONS
Write the molecular formula of the 2nd and 3rd member of the homologous series whose first member is ethene.
Name the products formed when:
bone is heated in the absence of air.
How will you collect the gas ?
Write the balanced chemical equations for the preparation of carbon dioxide by:
the action of dilute sulphuric acid on sodium bicarbonate.
What is a fire extinguisher ? What is the substance used in the modern type of fire extinguishers ? How is it an improvement over the soda acid-type and the foam-type fire extinguishers ?
Most of our food contains compounds of carbon. True or false ?
Select the appropeiate option of the following statement:
A nitrogenous fertilizer obtained from carbon dioxide.
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.
According to the Octet rule, carbon requires ______ electrons to attain the nearest noble gas.
Answer the following by rearranging the jumbled letters :
The reaction of carbon with oxygen gives osdiex
