5 (a) Explain why copper (I) sulphate solution looks blue when placed in sunlight
(b) What are the sources of the followme radiations?
- Visible radiation
Trenal
- Ultraviolet radiation
(0) Draw a schematic diagram of ble spectrometer.
(a) Why are group I elements
(1) Univalent
(ii) Largely ionic
(1) Strongly reducing agents
C) Give equations to show the rea lion between sodium and
(H20 (11) H(111)
-1 (a) Define molar volume
(b) Find the volume occupied by 3. mg of chlorine gas at room temperature and
Pressure (molar volume = 22.
4 C 1 = 35.5).
(c) Calculate the percentage by mnus of calcium in the compound Caro
(Ca = 40, C = 12,0 = 1)
tween sodium and
w