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(A) Name the components of the alloy ste...

(A) Name the components of the alloy steel and stainless steel.
(b) Why is gold alloyed with copper ?
(c ) Name a metal which
(i) will react vigorously with cold water (ii) will react with only hot water
(iii) will react with only steam (iv) will not react even with steam.

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DINESH PUBLICATION-METALS AND NON-METALS-Long Answer Questions
  1. How will your demonstrate that the ionic compounds do not conduct elec...

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  2. With a suitable activity show that sulphur burns in air to form a comp...

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  3. (a) Define corrosion, what is the nature given to corrosion of iron ? ...

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  4. Give reasons for the following : (i) Zinc can displace copper from c...

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  5. (a) Distinguish between 'roasting' and 'calcination'. Which of the two...

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  6. Give an example of a metal which (i) is a liquid at room temperature...

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  7. (a) Write the balanced chemical equations for the extraction of copper...

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  8. (a) Write method will you use to reduce the following ? Explain by giv...

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  9. (a) Why are ionic compounds usually hard crystalline solids ? (b) Gi...

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  10. (a) Write the balanced chemical equations for the extraction of copper...

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  11. (A) Name the components of the alloy steel and stainless steel. (b) ...

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  12. A metal M found in nature as sulphide ore (M(2)S) is one of the good c...

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  13. State the reason why (i) carbon is not used to reduce the oxides of...

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  14. (a) Write the chemical reactions taking place when : (i) Manganese ...

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  15. (a) White the steps involved in the extraction of pure metals in th...

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  16. A metal 'X' acquires a green colour coating on its surface on exposure...

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  17. Give reasons for the following : Ionic compounds have high melting ...

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  18. (a) Why are ionic compouds usually hard crystalline solids ? (b) G...

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  19. (A) Name the components of the alloy steel and stainless steel. (b) ...

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  20. State the reason why (i) carbon is not used to reduce the oxides of...

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