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What are the constituents of solder allo...

 What are the constituents of solder alloy? Which property of soldev makes it suitable for welding electrical wires? 

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The constituents of solder alloy are , lead (Pb) and tin (Sn). Being a low melting solid and also a good conductor of electricity, solder is used for welding electrical wires and cables.
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DINESH PUBLICATION-METALS AND NON-METALS-MCQ
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  2. The following reaction takes place when aluminium powder is heated wit...

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  3. What are the constituents of solder alloy? Which property of soldev ma...

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  4. A metal 'M', which is used in thermite process, when heated with oxyge...

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

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  6. Give the formulae of the stable binary compounds that would be formed ...

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  7. What happens when (a) ZnCO(3) is heated in the absence of oxygen?  ...

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  8. A non-metal A is an important constituent of our food and forms two ox...

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  9. Give two examples each of the metals that are good conductors and comp...

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  10. Name one metal and one non-met-al that exist in liquid state at room t...

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  11. An element A reacts with water to form a compound B which is used in w...

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  12. An alkali metal 'A' gives a compound B (molecular mass = 56) on reacti...

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  13. Give the reaction involved during extraction of zinc from its ore by ...

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  14. A metal M does not liberate hydrogen from acids but reacts with oxygen...

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  15. An element forms an oxide A(2)O(3) which is acidic in nature. Identify...

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  16. A solution of CuSO4 was kept in an iron pot. After few days the iron p...

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  17. A non-metal A which is the largest constituent of air, when heated wit...

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  18. Give the steps involved in the extraction of metals of low and medium ...

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

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  20. Given below are the steps for extraction of copper from its ore. Write...

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