Dilution and Reactions of Acids 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Calderglen High School
1 Give an everyday example of neutralisation. answer Reducing acidity in soil by adding lime, treatment of acid indigestion Calderglen High School
What is Neutralisation? 2 What is Neutralisation? answer The reaction of an acid with a base to form water Calderglen High School
What happens to the pH of an acid as it is neutralised? 3 What happens to the pH of an acid as it is neutralised? answer The pH INCREASES to 7 Calderglen High School
Give some examples of bases (things that can neutralise acids) 4 Give some examples of bases (things that can neutralise acids) answer alkali (metal hydroxide), metal oxide, metal carbonate Calderglen High School
Name the products of the reaction between a dilute acid and an alkali 5 Name the products of the reaction between a dilute acid and an alkali answer Salt and water Calderglen High School
Complete the word equation 6 Complete the word equation answer Acid + Alkali Salt + Water Calderglen High School
Calderglen High School 7 Name the products in the reaction between a dilute acid and a metal carbonate. answer Salt, water and carbon dioxide Calderglen High School
Complete the word equation 8 Complete the word equation answer Salt + Water + Carbon dioxide Acid + Metal carbonate Calderglen High School
Calderglen High School 9 Name the salt produced in the reaction: hydrochloric acid + copper carbonate answer Copper chloride Calderglen High School
Calderglen High School 10 Name the products of the reaction between a dilute acid and a metal oxide answer Salt and water Calderglen High School
Complete the word equation 11 Complete the word equation answer Acid + Metal oxide Salt + Water Calderglen High School
Complete the word equation? 12 Complete the word equation? answer Potassium nitrate Nitric + Potassium + Water acid hydroxide Calderglen High School
potassium nitrate and water 13 Name the products of the reaction between potassium hydroxide and dilute nitric acid answer potassium nitrate and water Calderglen High School
14 What is a base? A substance which neutralises an acid answer Calderglen High School
Calderglen High School 15 Identify the two bases. sodium chloride, sodium oxide, calcium nitrate, copper carbonate answer sodium oxide and copper carbonate Calderglen High School
Calderglen High School 16 What type of chemical reaction is taking place when copper oxide is added to dilute hydrochloric acid. answer neutralisation Calderglen High School
What is formed when a base dissolves in water? 17 What is formed when a base dissolves in water? answer An alkali Calderglen High School
What happens to the pH of an acid when diluted with water? 18 What happens to the pH of an acid when diluted with water? answer It increases towards 7 Calderglen High School
What happens to the pH of an ALKALI when diluted with water ? 19 What happens to the pH of an ALKALI when diluted with water ? answer It decreases towards 7 Calderglen High School
What happens to the acidity of an acid when diluted with water ? 20 What happens to the acidity of an acid when diluted with water ? answer The acidity decreases (less acidic) Calderglen High School
What happens to the alkalinity of an alkali when diluted with water? 21 What happens to the alkalinity of an alkali when diluted with water? answer It decreases -becomes less alkaline Calderglen High School