metal oxides are basic.metal oxide will turn red litmus to blue.there will be no effect on blue litmus paper as metal oxide is already a base.
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metal oxides are basic.metal oxide will turn red litmus to blue.there will be no effect on blue litmus paper as metal oxide is already a base.
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HERE IS YOUR ANSWER
Generally
□ metal oxides are bases
■ non- metallic oxides are acids.
LET'S RECALL OUR NOTES ONCE :-
We know that ..
☆ acids turn blue litmus to red.
=>when there are treated with red litmus ,no colour change takes place.
☆bases turn red litmus to blue.
=> when there are treated with blue litmus ,no colour change takes place.
=》 Now coming to the question,
(i) When metal oxides tested with blue litmus , no colour change.
(ii) When metal oxides tested with red litmus, it turns red litmus to blue.
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