acids and alkalis

Question 1

What colour will universal indicator turn in a a) weak alkali, b) a strong acid c) a neutral solution?

Answer 1

(a) dark green/blue (b) red (c) green​

Question 2

What is the name of the reaction that occurs when an acid reacts completely with an alkali?​

Answer 2

Neutralisation​

Question 3

What in the household contains i) ammonia ii) ethanoic acid​

Answer 3

(i) cleaning products (ii) vinegar​

Question 4

Choose from strong acid, weak acid, neutral, weak alkali and strong alkali to describe i) sulphuric acid ii) Vinegar iii) Sodium Hydrogen carbonate ​

Answer 4

(i) strong acid (ii) weak acid (iii) weak alkali​

Question 5

What acid must be used to make i) Sodium Nitrate ii) Potassium Sulfate​

Answer 5

(i) Sodium hydroxide and nitric acid (ii) Potassium hydroxide and sulfuric acid​