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Description
Flashcards by Ellen Billingham, updated more than 1 year ago
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Created by Ellen Billingham
almost 11 years ago
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| Question | Answer |
| What is an indicator? | Something that is used to show whether a substance is alkaline or acidic. |
| What is universal indicator? | It is an indicator that turns a different colour depending on what pH (or how strongly acidic or alkaline) something is. |
| Give 3 examples of indicators. | Could be: phenolphthalein, methyl orange, litmus or universal indicator. |
| For universal indicator, what colour does it go when it is in an acid? | red, orange or yellow |
| What colour is universal indicator when it is in alkaline solutions? | Purple or blue |
| What colour is universal indicator when it is in a neutral solution? | Green |
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