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Zinc oxide can be reduced only by ......

Zinc oxide can be reduced only by ...

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Give appropriate scientific reason for the statement : Zinc oxide can be reduced to zinc by using carbon monoxide, but aluminium oxide cannot be reduced by a reducing agent.

Give appropriate scientific reasons for the following statements: Zinc oxide can be reduced to zinc by using carbon monoxide, but aluminium oxide cannot be reduced by a reducing agent.

Give reasons for the following : (a) Alumina is dissolved in cryolite for electrolysis instead of being electrolyzed directly. (b) Zinc oxide can be reduced to metal by heating with carbon but Cr_(2)O_(3) cannot be reduced by heating with carbon.

Which oxide cannot be reduced by H_2 ?

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

Which of the following metal oxides can be reduced by CO?

Which of the following metallic oxides cannot be reduced by normal reducing agents?

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

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

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ICSE-SELF ASSESSMENT PAPER 3 -SECTION-II
  1. Zinc oxide can be reduced only by ...

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  2. During the electrolysis of copper (II) sulphate solution using platinu...

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  3. During the electrolysis of copper (II) sulphate solution using platinu...

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  4. During the electrolysis of copper (II) sulphate solution using platinu...

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  5. Differentiate between electrical conductivity of copper sulphate solut...

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  6. As we descend the electrochemical series containing cations, the tende...

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  7. The the concentration of an ion in a solution the greateris the proba...

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  8. Copy and complete the following table relating to important industrial...

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  9. The metals of group-2 from top to bottom are Be, Mg, Ca, Sr, Ba. Whic...

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  10. What property of an element is measured by electronegativity.

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  11. Select the correct method from: Simple displacement ,Decomposition by ...

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  12. Select the correct method from: Simple displacement ,Decomposition by ...

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  13. Select the correct method from: Simple displacement ,Decomposition by ...

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  14. Select the correct method from: Simple displacement ,Decomposition by ...

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  15. Select the correct method from: Simple displacement ,Decomposition by ...

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  16. The diagram shows an experimental set up for the laboratory preparatio...

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  17. The diagram shows an experimental set up for the laboratory preparatio...

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  18. The diagram shows an experimental set up for the laboratory preparatio...

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  19. The diagram shows an experimental set up for the laboratory preparatio...

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  20. The diagram shows an experimental set up for the laboratory preparatio...

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  21. A compound has the following percentage composition by mass : Carbon ...

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