Physiologically active nitrogen-containing compounds produced by plants are called ________.

4.1 Describe what you will see the moment sulphur reacts with oxygen?  (2)  

4.5 Give TWO examples of reactions between a non-metal with oxygen that will not form a non-metal oxide.   (2)

1.3 Which of the following compounds represents a calcium bromide molecule? (2)  

5.1 Identify which one of the following pH groups matches the letters A and B in the image above: Acid:      [1] Base:     [2] (2)  

8.1 Bewustheid hou baie fisiese en sielkundige voordele in. Noem enige VYF voordele van bewustheid:                                           (5)

6.6 Beoordelaar.                                            (1)

Amides having fewer than ________ carbons are generally water soluble.

9.1 Identifiseer en bespreek VIER tydbestuursvaardighede.                                            (4×2=8)

6.3  Aanvoeling.                                         (1)