2403321
Descrição
FlashCards por Oliver Hall, atualizado more than 1 year ago
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Criado por Oliver Hall
mais de 11 anos atrás
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| Questão | Responda |
| How Much Nitrogen is in the Air? | 78% |
| How Much Oxygen is in the air? | 20% |
| How Much Carbon Dioxide is there in the air? | 0.04% |
| What is needed for rust? | Water and Oxygen and Iron |
| Hich of Nitrogen, Oxygen and Carbon Dioxide is a compound? | Carbon Dioxide |
| At room temperature is Nitrogen reActive or not? | It is NOT |
| What is a chemical test for water? | Turns anhydrous copper sulphate whit to blue or turns cobalt chloride blue to pink. |
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