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Name the A metal oxide that can be re...

Name the
A metal oxide that can be reduced by hydrogen.

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Name the following A metal oxide that can be reduced by hydrogen.

Name one: metallic oxide which cannot be reduced by hydrogen.

Zinc oxide can be reduced only by ...

A metal oxide has the formul Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water. 0.2 g of the metal oxide requires 12 mg of hydrogen for complete reduction. The atomic weight of the metal is

A metal oxide has the formula X_2O_3 . It can be reduced by hydrogen to give free metal and water. 0.1596g of metal oxide requires 6mg of hydrogen for complete reduction. The atomic mass of the metal (in amu) is :

Identify the substances which are underlined: A ul("metallic oxide") which can be reduced by coke only.

Choose the correct answer The metallic oxide/s which cannot be reduced by normal reducing agents.

A metal oxide has the formula Z_(2)O_(3) . It can be reduced by hydrogen to give free metal and water . 0.1596 g of the metal oxide requires 6 mg of hydrogen for complete reduction . The atomic weight of the metal is

A metal oxide has the formular M_(2)O_(3) . It can be reduced by hydrogen to give free metal and water 0.1596g of the metal oxide required 6 mg hydrogen for complete reduction. The atomic weight of the metal is:

The metal oxide which cannot be reduced to metal by carbon is

ICSE-METALLURGY-QUESTIONS FROM PREVIOUS ICSE BOARD PAPERS
  1. Name the The ore of zinc containing its sulphide.

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  2. This is not an alloy of copper :

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  3. Give appropriate scientific reasons for the following statements: Z...

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  4. For each of the substance listed below, describe the role played in th...

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  5. Explain why : In the electrolysis of alumina using the Hall Heroult...

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  6. Explain why : Iron sheets are coated with zinc during galvanization.

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  7. The two main metals in Bronze are :

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  8. Identify the term/substance of the following: The method used to separ...

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  9. (i)Name the solution used to react with Bauxite as a first step in obt...

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  10. From the list of terms given, choose the most appropriate term to matc...

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  11. Name the The process of coating of iron with zinc.

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  12. Name the An alloy of lead and tin that is used in electrical circui...

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  13. Name the An ore of zinc containing its sulphide.

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  14. Name the A metal oxide that can be reduced by hydrogen.

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  15. Complete the following by selecting the correct option from the choice...

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  16. Complete the following by selecting the correct option from the choice...

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  17. Give one word or a phrase for the following statement: The process by ...

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  18. Fill up the blank with the correct choice given in bracket. The most c...

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  19. Name the main component of the following alloys : (i) Brass (ii) Du...

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  20. (i) Name the most common ore of the metal aluminum from which the meta...

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