4423437
Descrição
Criado por Adam Barnes
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Criado por Adam Barnes
mais de 10 anos atrás
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| Questão | Responda |
| What is an indicator? | Indicators are coloured dyes that help us to tell acids from alkalis. |
| When fuels burn they make gasses are these gases acidic or alkali? | When fuels burn they make gases that are acidic. |
| What damage does acid rain cause? | Acid rain damages trees, buildings made from stone and structures made from metal. |
| What is formed when an acid is cancelled out by an alkali? | When an acid and an alkali are mixed a neutral solution is formed. |
| What range pH numbers is weakly acidic? | The range of numbers that are weakly acidic are pH numbers 4-6. |
| What Substance has a pH number of more than 7? | The Substance that has a pH number of more than 7 is an alkali. |
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