When carbon is burned in the excess of oxygen, ______ is formed as a major product.

Q.

Fill in the blanks :

(a) ___ product 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.

Q. Write balanced chemical equations for the following:
(a) burning of coal (carbon) in a sufficient supply of air
(b) When coal burns in insufficient amount of oxygen, carbon monoxide is formed.
(c) Name the type of reaction in each of the above cases.
(d) How is carbon monoxide harmful?

Q. When less amounts of oxygen is present, carbon combines with it to give _____ gas.

Q. Assertion :Carbon and its compounds used as fuels for most applications. Reason: When carbon is heated in presence of excess air or oxygen, it forms carbon dioxide. During its formation, a large amount of heat and light is generated. Further, once ignited, carbon and its compounds keep on burning without needing additional heat energy.

Q. The product, other than carbon dioxide, formed when a candle burns in air is: