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Form 3 Science Test Test 4: Acids and basis Total: 50 ... - Pearson

Form 3 Science Test Test 4: Acids and basis Total: 50 ... - Pearson

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Section B<br />

11. Name three examples of substances that are acids. (3)<br />

_________________________________________________________________<br />

_________________________________________________________________<br />

_________________________________________________________________<br />

12. Name three examples of substances that are alkalines. (3)<br />

_________________________________________________________________<br />

_________________________________________________________________<br />

_________________________________________________________________<br />

13. What do we call a solution with a pH of 7 on the pH scale (1)<br />

_________________________________________________________________<br />

14. Complete the following:<br />

a) A solution that turns blue litmus paper red is a _____________________. (1)<br />

b) A solution that turns red litmus paper blue is a _____________________. (1)<br />

15. Explain the difference between the following in respect of acids:<br />

a) Strong (2)<br />

____________________________________________________________<br />

____________________________________________________________<br />

4/6<br />

<strong>Science</strong> <strong>Test</strong> 4<br />

© <strong>Pearson</strong> Botswana. Permission is given to photocopy these pages for school use.

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