Logged out
Access All our Essays in an Instant
Swap your work for FREE access, or pay £4.99 for instant access
Who's cheating on the vinegar?
Member rating: No Rating | Words: | Submitted: Thu Sep 25 2003
Page Preview
On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:
Who's cheating on the vinegar? Problem Lots of people like to put vinegar on chips. But are we getting our money's worth. The manufacturers could be watering it down to make it less concentrated. We want to find out who is cheating on the vinegar. We have been given four samples from different shops to test which is a) most concentrated b) best value for money. Scientific Knowledge An acid is a substance with a pH below 7. Some example of acids are, Milk of Magnesia, vinegar and lemon juice. Acids include ascorbic acid, citric acid, hydrochloric acid and ethanoic acid which we will be using in this experiment. It is a weak acid with a pH of 3. Alkalis have a pH of 8 or above. We will be using Sodium hydroxide which is a strong alkali of 14. An indicator is something which is one colour in an acid and another in an alkali. This...
Get instant access
- Instant, unlimited access to our documents in full
- Swap your work for free access, or pay £4.99
- To see the full version of this document and 146,871 others
Receive email updates for this category
- Simply tell us your email address and receive a weekly Study Help Email for FREE
- Receive 3 FREE essay views with each email
- Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk
