pHlistQ.gifmulti-word fill quiz 7Ewf3 on "Acids and alkalis"
(a doc brown worksheet for QCA KS3 science-chemistry)

Site Meter* Do online OR printout, do, return to check answers. * KS3 Science Index * EMAIL comment?query * Doc Brown's Chemistry updated June 11th 2009 *

   acidic      alkali      calomine      diluting      growth      harmful      lime      neutralised      safely      sour      vinegar      water      weak   
1. An acid bee sting can be by because it is a safe mild alkali.

2. Lemon juice and vinegar are acids and have a sour taste but can be in cooking and eating.

3. If a strong acid is spilt it can be made safer by it with .

4. If soil is too acid for healthy plant it can be treated with the alkali .

5. Fizzy drinks can be bad for your teeth because they are .

6. Toothpaste is a mild to help neutralise excess acid in the mouth from drinks or food.

hws2.gif7. Household ammonia has this hazard warning label on because it may be .

8. The food dressing is weakly acid and gives a tang to food.