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Explain how the properties of an alloy a...

Explain how the properties of an alloy are different from those of constituent metals.

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**Step-by-Step Solution:** 1. **Definition of Alloy:** An alloy is a homogeneous mixture formed by combining two or more elements, where at least one of the elements is a metal. 2. **Examples of Alloys:** - Brass: An alloy of zinc and copper. - Stainless Steel: Composed of nickel, carbon, chromium, and molybdenum. ...
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VK GLOBAL PUBLICATION-METALS AND NON-METALS-SHORT ANSWER QUESTION -II
  1. Name two metals which react violently with cold water, Write any obser...

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  2. Explain the following (a) Reactivity of At decreases if it is dipped i...

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  3. Explain the following : (i) Most metal oxides are insoluble in water...

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  4. When a metal X is treated with cold water, it gives a basic salt Y Wit...

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  5. Of the three metals X, Y and Z here X reacts with cold water, Y with h...

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  6. An element A burns with golden flame in air. It reacts with another el...

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  7. Iqbal treated a lustrous, divalent element M with sodium hydroxide. He...

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  8. Give reasons (a) Platinum, gold and silver are used to make jeweller...

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  9. Write one point of difference between electrolytic reduction and reduc...

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  10. What is meant by refining of metals? Describe the electrolytic refinin...

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  11. An ore on heating in air produces sulphur dioxide. Which process would...

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  12. During extraction of metals, electrolytic refining is used to obtain p...

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  13. A metal that exists as a liquid at room temperature is obtained by hea...

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  14. How can a layer of aluminium oxide on an aluminium object be made thic...

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  15. A metal M is found in nature as MCO3 It is used in galvanising iron ar...

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  16. How can the metal be obtained from its carbonate ore?

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  17. Which two metal do not corrode easily?Give an example in each case to ...

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  18. In the formation of the compound AB, atoms of A lost one electron each...

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  19. Explain how the properties of an alloy are different from those of con...

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  20. State reason for the following : (i) Lemon is used for restoring th...

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