1.10 The diagram shows that two gases are formed when con…
1.10 The diagram shows that two gases are formed when concentrated hydrochloric acid is electrolysed using inert electrodes. (1) Right-click on the button to open the data booklet in a new tab. Which row correctly describes the colours of the gases at the electrodes? anode (+ve) cathode (–ve) A colourless colourless B colourless yellow-green C yellow-green colourless D yellow-green yellow-green