20020277
Descrição
FlashCards por tarneen gura, atualizado more than 1 year ago
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Criado por tarneen gura
mais de 4 anos atrás
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| Questão | Responda |
| what is litmus indicator used for? | it is used to find out if a liquid is acidic, alkali or neutral. |
| do acidic substances usually turn red, orange green or violet? | they usually turn red |
| do neutral substances usually turn red, orange green or violet? | they usualy turn green |
| what is the ph of water | the ph of water is 7 |
| what is the ph of vinegar | 2.5 |
| are acids corrosive | yes |
| is toothpaste acidic | no it is alkali |
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