1) What colour would universal indicator turn in acid? a) Red b) Blue c) Green d) Purple 2) What colour would universal indicator turn in alkali? a) Red b) Yellow c) Green d) Purple 3) What colour would universal indicator turn in a neutral solution? a) Red b) Yellow c) Green d) Purple 4) pH 4 is.... a) acidic b) alkaline c) neutral 5) pH 7 is... a) acidic b) alkaline c) neutral 6) pH 10 is... a) acidic b) alkaline c) neutral 7) Soap is... a) acidic b) alkaline c) neutral 8) Water is... a) acidic b) alkaline c) neutral 9) Fizzy juice is... a) acidic b) alkaline c) neutral 10) Vinegar is... a) acidic b) alkaline c) neutral 11) Kitchen cleaner is... a) acidic b) alkaline c) neutral 12) Acids have a pH... a) below 7 b) above 7 c) exactly 7 13) Alkalis have a pH... a) below 7 b) above 7 c) exactly 7 14) Neutral substances have a pH... a) below 7 b) above 7 c) exactly 7 15) Acid Rain would have a pH... a) less than 7 b) exactly 7 c) more than 7

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