Write down the numbers 1.1-1.3 and complete the table below. Colour of Bromothymol Blue Distilled Water 1.1 Dilute Hydrochloric acid 1.2 Sodium Hydroxide Solution 1.3 From your observations of the colours in each test tube, state whether the substance is NEUTRAL, BASIC or ACIDIC: Distilled water Dilute hydrochloric acid solution as 1.4.1 1.4.2 1.4.3 Sodium hydroxide solution What is the name of gaseous hydrochloric acid?​