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Which one of the following oxides is neutral
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a
CO
b
SnO2
c
ZnO
d
SiO2
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Correct option is A
CO is neutral towards litmus. SnO2 and ZnO are amphoteric as they form salts and water with acids and bases. SiO2 is acidic as it forms salts with bases. SiO2 + 2NaOH →Na2SiO3+H2O.Talk to our academic expert!
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