Unit Award Scheme

87211 ACIDS AND ALKALIS

In successfully completing this unit, the Learner will have		Evidence needed
demonstrated the ability to
1	recognise a range of household chemicals by their labels and identify which are acids and which are alkalis, eg vinegar, lemon juice, bleach	Student completed work
2	extract dyes from vegetable materials, eg red cabbage, raw beetroot, blackcurrants	Summary sheet
3	observe and record the effect of vegetable dye indicators on a variety of common household chemicals, eg vinegar, citric acid, lemon juice, table salt, washing up liquid, sodium bicarbonate	Student completed work
4	use Universal Indicator to identify common household acids and alkalis	Summary sheet
5	investigate what happens when an acid is added to an alkali	Summary sheet
6	plan a simple, safe investigation to find out which brand of antacid, eg Settlers, Tums, Rennies will best neutralise a given solution of acid	Student completed work
7	make relevant observations in the investigation	Student completed work
8	record the results and make a conclusion	Student completed work
shown knowledge of
9	the pH scale	Student completed work
10	the household use of at least three acids and three alkalis.	Student completed work

All outcomes recorded on an AQA Summary Sheet

Approved 21 March 2005Level - Level One