How many of the following statements is/are
true ?
(i) Human blood is acidic in nature.
(ii) Gastric juice is basic in nature.
(iii) Calcium hydroxide is acidic in nature.
(iv) Solution of carbon dioxide in water is acidic.
(v) Main components of acid rain are oxides of
sulphur and nitrogen.
(vi) Highly acidic soil is suitable for crop
production
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Answer:
1= true
2=false
3=true
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