Erstellt von manohar narasimhan
vor mehr als 5 Jahre
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Frage | Antworten |
Which chemical could react with an acid to form hydrogen? | Metal+Acid =Metal salt + Hydrogen |
What is the correct formula for nitric acid? | HNO3 |
What does sodium form when it reacts with water? | sodium hydroxide |
A molecule contains 2 atoms of oxygen, 6 atoms off hydrogen and 3 atoms of carbon. What is the formula of the molecule? | C2H5CO2H |
Write a balanced equation for when magnesium reacts with oxygen | 2Mg+O2->2MgO |
Why does the mass of the contents increase in this reaction? | It increases because the amount of oxygen increases. The magnesium bonds with the oxygen. |
Is Magnesium oxide a compound, metal, mixture or a non-metal? | Compound |
Why should you not use sodium in a reaction? | It is too reactive and is harmful. |
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