Chemistry
Fill in the blanks:
(a) …………… is formed when carbon is burnt in a limited supply of air or oxygen.
(b) Carbon monoxide burns in air with a …………… flame to form carbon dioxide.
(c) Carbon monoxide is a product of …………… combustion.
(d) A mixture of 95% oxygen and 5% carbon dioxide is called ……………
(e) Carbon monoxide is used as a …………… in the extraction of pure metals from their corresponding ores.
Related Questions
State three ways by which carbon dioxide gas is added into the atmosphere.
What steps should be taken to balance carbon dioxide in the atmosphere?
Assertion (A): Carbon can form a large number of compounds, most of which are studied under organic chemistry.
Reason (R): Carbon atoms can form long chains with each other.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Assertion (A): Coal is used as a fuel for domestic purposes and industries.
Reason (R): Coal is an amorphous form of carbon.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.