List of top Science Questions on Carbon and its Compounds asked in Bihar Board X

The molecular formula of ethane is C$_2$H$_6$. It has:
Why does carbon mainly form covalent compounds?
Write down the laboratory method of preparation of methane and its chemical reaction with chlorine.
Propane, with the molecular formula \( C_3H_8 \), has:
The general formula of alkyne is:
The hardest natural substance is:
How many crystalline allotropes of carbon are there?
Which hydrocarbon is the simplest compound?
Carbon combines with hydrogen to form
What is the general formula of an alkane?
Which of the following organic compounds is an alkyne?
The sodium salts of higher fatty acids are called
Which of the following is a symbol of carbonyl group?