1) When coal, oil and natural gas are burnt, they give off ________________ . a) sulfur dioxide b) sulfur oxide c) nitrogen dioxide d) nitrogen oxide 2) The above gases dissolve in rainwater to form ___________. a) air pollution b) acid rain c) lemon juice 3) Acid rain will have pH value similar to ___________. a) soap water b) drinking water c) lemon juice 4) Acid rain will damage _____________. a) living things only b) non-living things only c) both living things and non-living things 5) How does acid rain damage buildings? a) It eats away at stone. b) It washed away the paint. c) It makes the building newer.

Y6SC | Unit 2 | 2.7 Acid rain

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