1) Neutral substances have a pH of ...... (level 4) a) 7 b) 6 c) 8 d) 5 2) Acids have a pH of between... (Level 5) a) 1 to 4 b) 1 to 6 c) 1 to 9 d) 5 to 14 3) Alkalis have a pH of between ..... (level 5) a) 7 to 10 b) 6 to 11 c) 5 to 8 d) 8 to 14 4) When you add an acid to an alkali the pH will ...... (level 5) a) rise b) fall c) stay the same 5) The best chemical to help relieve a wasp sting (alkali) would be to use a ......... (level 5) a) acid b) alkalis c) neutral 6) Adding an acid to an alkali is an example of a .......... (level 6/7) a) neutralisation reaction b) explosion c) cold reaction 7) The word equation for a neutralisation reaction would be ....... (level 7) a) acid + alkali → mixture b) acid + alkali → salt + water c) acid + alkali → water

Neutralisation - year 7

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