An inorganic compound (A) made of two abundant elements in the earth's crust and used in building construction when made to react with carbon, forms a poisonous gas (B). Compounds (A) and (B) are:
A
`SiO_2, CO_2`
B
`SiO_2, CO`
C
`SiO_2, N_2`
D
`CaO, CO_2`
Text Solution
Verified by Experts
The correct Answer is:
B
`SiO_2` is a compound of oxygen and silicon, the two most abundant eleinents of earth.s crust and is used in building construction. `SiO_2 +2C rarr Si+2CO` (poisonous gas and a stable diatomic molecule)
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