1.

Match the following :Column AColumn B(a) Global warming(i) Hydrated ferric oxide(b) Acid rain(ii) Manganese dioxide(c) Rust(iii) Carbon dioxide(d) Catalyst(iv) Methane(e) Photosynthesis(v) Nitrogen dioxide

Answer»
Column AColumn B
(a) Global warming(iv) Methane
(b) Acid rain(v) Nitrogen dioxide
(c) Rust(i) Hydrated ferric oxide
(d) Catalyst(ii) Manganese dioxide
(e) Photosynthesis(iii) Carbon dioxide



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