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1 2 3 QUESTION 1 Thato wanted to test a few known acids and alkalls with indicators to see the different colours they would turn to. She used hydrochloric acid, vinegar, sodium hydroxide, distilled water and Jik. She used bromothymol blue and universal indicator to test these substances. 1.1 What is the aim of this practical investigation (1) 1.2 Write the method she can follow for her experiment. (2) 1.3 Write the results in the table provided below by testing the substances. Substances Colour bromothymol blue in Colour in universal indicator 4 5 (6) 1.4 Categorise the substances that were tested by Mimi as acids, bases or neutrals (3)​

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