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Description
Flashcards by manohar narasimhan, updated more than 1 year ago
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Created by manohar narasimhan
about 5 years ago
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| Question | Answer |
| 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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