Question 16 (3 marks) (a) Write the word equation for potassium reacting with water forming an aqueous solution. (1 mark) potassium + water â potassium hydroxide + hydrogen (b) Write the balanced formulae equation for (a) including states/phases.(2 marks) 2K (s) + 2H 2 O (l) â 2KOH (aq) + H 2 (g) âº One mark for balanced equation + one mark for correct states.his shows that water is made up of more than one type of atom. (1 mark) âº The two substances obtained were in definite ratio of 2:1 as shown by the 2:1 ratio of the gas volumes. (1 mark) (ii) State another observation that shows that electrolysis is a chemical change.
tr.v. colÂ·latÂ·ed, colÂ·latÂ·ing, colÂ·lates. 1. To examine and compare carefully in order to note points of disagreement. 2. To assemble in proper numerical or logical sequence.
Answer Wiki. The term collated printing is often used in the context of photocopying rather than actual printwork. The term collate means the gathering and arrnaging of individual sheets into a predetermined sequence or multiple parts: printing something in order.