Name::

1 Some acids are . dangerous smelly

2 Very weak acids taste . sour salty

3 Lemon juice is an . acid oil

4 The opposite of an acid is an . alkaloid alkanium alkali

5 The hazard symbol showing a hand being eaten away is for . corrosive irritating substances.

6 When using acids you must always wear . a jumper goggles .

Complete these sentences:

7 The pH scale measures how a an acid is.

8 Often we use Universal I paper to measure pH.

9 When the paper is red it means the liquid is a

10 If the liquid is y/g then the liquid is neutral.

11 Acids will react with alkalis to make a new substance called a s.

12 This process is called n because the mixture can be neither acid nor alkali.

13 Alkali turns universal indicator paper  colour.