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Magnesium and copper metals are heated d...

Magnesium and copper metals are heated directly over a flame. Which of these will burn in air? Which is more reactive?

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MBD-MATERIALS: METALS AND NON-METALS-EXAMPLE
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  2. Why do gold ornaments look new even after several years of use?

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  3. Magnesium and copper metals are heated directly over a flame. Which of...

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  4. CuSO4 + Fe rarr FeSO4 +Cu feSO4 + Zn rarr ZnSO4 + Fe br> On the basi...

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  5. Why are pickles, chutney and citrus fruits not stored in iron and alum...

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  6. what happen when a piece of zinc is added to copper sulphate solution?

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  7. Can copper displace iron from iron sulphate solution? Give reasons.

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  8. Why does aluminium vessel lose its lusture after sometime?

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  9. Why aluminium metal is preferred to copper for making cooking utensils...

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  10. What is corrosion? What are the different ways to reduce corrosion?

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  11. In which atomic model electrons in the ground state are in stable equi...

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  12. Does copper rust? What will happen if copper is exposed to moist air?

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  13. Give reasons for the following: Aluminium is used in making parts of ...

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  14. Give reasons for the following: Copper is used in making electric wir...

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  15. Give reasons for the following: Silver is used in making mirrors.

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  16. Give reasons for the following: Graphite is used as an electrode in t...

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  17. Give reasons for the following: iron is used in constructing bridges ...

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  18. Write two properties of metals.

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  19. Give general physical properties of non-metals.

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  20. How do metals react with acids?

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