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.
Carbon
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Answer
(a) Carbon monoxide
(b) pale blue
(c) incomplete
(d) carbogen
(e) reducing agent
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