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WAEC Chemistry 2022 Paper
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© africaexams.com
Question : 19
Total: 50
Consider the following reaction equation:
CaO
+
SiO
2
→
CaSiO
3
Silicon(IV) oxide is acting as
a basic oxide
a reducing agent
an acidic oxide
an oxidizing agent
Validate
Solution:
Silicon dioxide is an acidic oxide. It will react with strong bases to form silicate salts,
mathrm
S
i
O
2
is acidic oxide because Si is non-metal. Oxides of non-metals are acidic in nature.
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