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  3. Chemistry
  4. An inorganic compound (A) made of two most occurring elements in the earth’s crust and it is used in building construction when made to react with carbon forms a poisonous gas (B) which is diatomic molecule. Compounds (A) and (B) are

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Q. An inorganic compound $\left(A\right)$ made of two most occurring elements in the earth’s crust and it is used in building construction when made to react with carbon forms a poisonous gas $\left(B\right)$ which is diatomic molecule. Compounds $\left(A\right)$ and $\left(B\right)$ are

NTA AbhyasNTA Abhyas 2020The p-Block Elements - Part2

Solution:

$SiO_{2}$ is a compound of oxygen and silicon most abundant elements of earth’s crust and is used in construction.

$SiO_{2}+2C \rightarrow Si+2CO$ (Poisonous gas and diatomic molecule)