Consider the following reaction equation: \( \mathrm{CaO + SiO_2 \;------>\; CaSiO_3} \) Silicon(IV) oxide is acting as

Assessment: WAEC SSCE - Chemistry - 2022 (Objective) Subject: Chemistry

Question 1 Report

Consider the following reaction equation:

\( \mathrm{CaO + SiO_2 \;------>\; CaSiO_3} \)

Silicon(IV) oxide is acting as

Answer Details
Silicon(IV) oxide, also known as silica, is acting as an acidic oxide in the given reaction. It reacts with calcium oxide (CaO), which is a basic oxide, to form calcium silicate (CaSiO3), which is a salt. The reaction involves the neutralization of the basic oxide by the acidic oxide to produce a salt. Therefore, the correct option is "an acidic oxide".
Read lesson note on Periodic Chemistry (Ghana Only) (WAEC)
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