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We can show that is more reactive than c...

We can show that is more reactive than copper :

A

by preparing copper sulphate solution and dipping iron strip in it

B

by dipping both the strips in water for some time

C

by preparing iron sulphate solution and dipping copper strip in it

D

by heating both iron and copper strips

Text Solution

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The correct Answer is:
A
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. When a student added a few drops of barium chloride solution to sodium...

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  2. A student was asked to carry out a chemical reaction by placing four d...

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  3. We can show that is more reactive than copper :

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  4. A student sets up an apparatus to determine to melting point of ice. H...

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  5. What are canal rays?

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  6. If an atom contains one electron and one proton, will it carry any cha...

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  7. On the basis of Thomson’s model of an atom, explain how the atom is ne...

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  8. On the basis of Rutherford’s model of an atom, which sub- atomic parti...

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  9. Draw a sketch of Bohr’s model of an atom with three shells.

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  10. What do you think would be the observation if the alpha-particle scatt...

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  11. Name the three sub-atomic particles of an atom.

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  12. Helium atom has an atomic mass of 4u and two protons in its nucleus. H...

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  13. If K and L shells of an atom are full, then what would be the total nu...

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  14. How will you find the valency of chlorine, sulphur and magnesium ?

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  15. If number of electrons in an atom is 8 and number of protons is also 8...

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  16. With the help of Table given below, find out the mass numbers of oxyge...

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  17. For the symbol H,D and T tabulate three sub-atomic particles found in ...

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  18. Write the electronic configuration of any one pair of isotopes and iso...

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  19. Compare the properties of electrons, protons and neutrons.

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  20. What are the limitations of J.J. Thomson’s model of the atom?

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