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A student heats calculated amounts of ir...

A student heats calculated amounts of iron filings and sulphur powder together in a boiling tube. He will obtain :

A

a homogeneous mixture of Fe and S

B

a heterogeneous compound of Fe and S

C

a homogeneous compound of FeS

D

a heterogeneous mixture of FeS, Fe and S

Text Solution

Verified by Experts

The correct Answer is:
C
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. The reaction between iron and copper sulphate solution represents whic...

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  2. When a burning magnesium ribbon is introduced in a gas jar containing ...

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  3. A student heats calculated amounts of iron filings and sulphur powder ...

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  4. Which of the following mixture can be separated completely by the proc...

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  5. Four set ups as given here were arranged to identify the gas evolved w...

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  6. An iron nail was dropped into copper sulphate solution. After some tim...

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  7. A student was asked by her science teacher to prepare a true solution....

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  8. A student placed a clean iron nail in blue coloured copper sulphate so...

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  9. When a student added a few drops of barium chloride solution to sodium...

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

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

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

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  13. What are canal rays?

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

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

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

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

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

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

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

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