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Name two metals which are found in natur...

Name two metals which are found in nature in the free state.

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Gold, silver, platinum and copper are found in the free state.
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(a). Name two metals which are found in nature mainly in the free state (as metallic elements) (b) name two metals which are always found in combined state. (c) What iron compound is present in haematite ore? Also write its chemical formula.

Two metals which are found in the free state in nature.

(a). Name two metals which occur in nature in free state as well as in combined state. (b). Name one ore of manganese. Which compound of manganese is present in this ore? Also write, its chemical formula. (c) A zinc ore on heating in air forms sulphur dioxide. Describe briefly any two stages involved int eh conversion of this concentrated ore into zinc metal.

(a) Name two metals which are found in free state in nature. (b) What chemical process is used for extracting a metal from its oxide ore? Name one metal which is extracted by this method. (c) Describe the extraction of zinc metal from its sulphide ore as well as its carbonate ore. Write equations of all the reactions involved.

Two metals which are found in the free state in nature.Name them and give their chemical symbol

Name two metals which exist in the native or free state.

OSWAL PUBLICATION-METALS AND NON-METALS-NCERT Corner (Intext Questions)
  1. Why is sodium kept immersed in kerosene oil?

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  2. Write equation for the reaction of iron with steam.

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  3. Write equations for the reactions of Calcium and potassium with wate...

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  4. Samples of four metals A, B, C and D were taken and added to the follo...

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  5. Samples of four metals A, B, C and D were taken and added to the follo...

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  6. Samples of four metals A, B, C and D were taken and added to the follo...

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  7. Which gas is produced when dilute hydrochloric acid is added to a reac...

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  8. What would you observe when zinc is added to a solution of iron (II) s...

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  9. Write the electron dot structures of sodium, oxygen and magnesium.

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  10. Show the formation of Na(2)O and MgO by the transfer of electrons.

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  11. What are the ions present in these compounds? Na(2)O and MgO.

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  12. Why do ionic compounds have high melting points?

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  13. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

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  14. Define the following terms. Ore

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  15. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

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  16. Name two metals which are found in nature in the free state.

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  17. What chemical process is used for obtaining a metal from its oxide?

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  18. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  19. Which metals do not corrode easily?

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  20. What are alloys?

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