National 4 And 5 Chemistry Test Sheet (Page 2 of 4) in pdf

National 4 And 5 Chemistry Test Sheet Page 2

National 4 and 5 Chemistry Unit 1

ions is equal to the concentration of hydroxide ions.





9. An acidic solution contains more hydrogen ions than

hydroxide ions





10. An acidic solution contains more hydrogen ions than

hydroxide ions





11.An alkaline solution contains more hydroxide ions than

hydrogen ions





12. The effect of dilution on the pH of an acid or alkali is

explained in terms of the decreasing concentration of hydrogen

and hydroxide ions.





Acids and Alkalis

Neutralisation – Salt Preparation





1. Neutralisation is the reaction of acids with bases





2. Metal oxides, metal hydroxides and metal carbonates are

examples of bases.





3. In the reaction of an acid with an alkali the hydrogen

ions and hydroxide ions form water





4. In the reaction of an acid with a metal oxide the

hydrogen ions and the oxide ions form water





5. In the reaction of an acid with a metal carbonate the

hydrogen ions and carbonate ions form water and carbon

dioxide

National 4 And 5 Chemistry Test Sheet Page 2