(a) Both A and R are true and R is the correct explanation for A
(b) Both A and R are true and R is not the correct explanation for A
(c) A is true but R is false
(d) A is false but R is true
Q.19 Assertion : Carbon di oxide gas turns moist blue litmus paper red.
Reason : Non-metallic oxides are acidic in nature.
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A) both a and r are true and r is correct explanation of a
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