39392291
Descrição
FlashCards por Anya Wells, atualizado 8 meses atrás
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Criado por Anya Wells
8 meses atrás
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| Questão | Responda |
| Which of the pH numbers indicates a neutral substance? | 7 |
| What colour is universal indicator in a neutral solution? | Green |
| Which of the pH numbers indicates a strong acid? | 1-3 |
| Which of the following substances contain an alkali? Baking powder Coca cola Distilled water Vinegar | Backing powder |
| What is a hazard of acids and alkalis? | Corrosive and/or caustic |
| Which of the pH numbers indicate a strong alkali? | 12-14 11 possibly as well but a bit of a stretch. |
| Which of the following substances are acidic? An orange Bleach Distilled water Washing powder | Orange |
| What colour is universal indicator in strong acid? | Red |
| What colour is universal indicator in a strong alkali? | Purple/dark blue |
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