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Give reason : Iron grills are frequent...

Give reason :
Iron grills are frequently painted.

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To prevent rusting
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ZEN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 1 QUESTIONS )
  1. A blue - coloured salt becomes white on heating. Give reason for the a...

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  2. Can a displacement reaction be a redos reaction ? Explain with the hel...

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  3. Give reason : Iron grills are frequently painted.

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  4. Give reason : Gold ornament do not lose their lusture.

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  5. When a magnesium ribbon burns in air with a dazzling white flame and f...

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  6. Identify the oxidizing and reducing agent in the following reactions. ...

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  7. Identify the oxidizing and reducing agent in the following reactions. ...

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  8. Write the balanced chemical equation for the following chemical reacti...

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  9. Write the balanced chemical equation for the following chemical reacti...

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  10. Zinc liberates hydrogen gas when reacted with dilute nitric acid where...

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  11. Give the characteristic test for the following gases. CO(2)

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  12. Give the characteristic test for the following gases. SO(2)

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  13. Give the characteristic test for the following gases. O(2)

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  14. Give the characteristic test for the following gases. H(2)

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  15. You are provided with two containers made up of copper and aluminium. ...

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  16. List four observation that helps us to determine whether a chemical re...

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  17. What is observed after about I hour of adding strips of Cu and Al susp...

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  18. What happens when NaCl solution reacts with AgNO(3) solution. Name the...

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  19. State the law is followed in balancing chemical equation.

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  20. Balance the following chemical equation : Fe+H(2)O to Fe(3)O(4)+H(2)

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