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) Tomato ketchup is... a) acidic b) alkaline c) neutral 8) Soap is... a) acidic b) alkaline c) neutral 9) Water is... a) acidic b) alkaline c) neutral 10) Fizzy juice is... a) acidic b) alkaline c) neutral 11) Vinegar is... a) acidic b) alkaline c) neutral 12) Kitchen cleaner is... a) acidic b) alkaline c) neutral 13) Salt is... a) acidic b) alkaline c) neutral 14) Acids have a pH... a) below 7 b) above 7 c) exactly 7 15) Alkalis have a pH... a) below 7 b) above 7 c) exactly 7 16) Neutral substances have a pH... a) below 7 b) above 7 c) exactly 7 17) Acid Rain would have a pH... a) less than 7 b) exactly 7 c) more than 7

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