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Meenu sets up an electric circuit as sho...

Meenu sets up an electric circuit as shown in the figure by usingg copper wire. She repeated the experiment with:
`I to `Aluminium foil, `Iito` Iron nail,
`IIIto`Coal, `IV to `Graphite
In which cases the bulb will light up ?

A

I and II only

B

II and IV only

C

I, II and IV

D

I,II,III and IV

Text Solution

Verified by Experts

The correct Answer is:
C
Aluminium and iron are metals and metals are good conductors of electricity, thus the bulb will light up. Coal and graphite are non-metals and non-metals do not conduct electricity but graphite is an exception and it conducts electricity.
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MTG IIT JEE FOUNDATION-MATERIALS : METALS AND NON-METALS-EXERCISE MCQ.s (Level-2)
  1. Aluminium is a type of metal that is used to make

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  2. The reason(s) why aluminium is preferred over copper for making overhe...

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  3. Gravity separation method is based upon:

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  4. A copper coin is kept immersed in a solution of silver nitrate for som...

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  5. Which of the following pairs will give displacement reactions?

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  6. An unknown metal X when placed in copper sulphate solution gives a red...

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  7. In the process of welding metals like stainless steel and aluminium

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  8. Which of the following metals on reaction with sodium hydroxide soluti...

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  9. Match the following. Which of the following shows the correct mat...

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  10. In which test tubes, the rusting of iron nail will take place ?

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  11. Match the items in column I with column II

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  12. A highly reacting element X is stored under water. It readily reacts w...

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  13. Two elements A and B on burning in air give corresponding oxides. Oxid...

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  14. Metallurgy is a process of extracting

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  15. When few granules of sample X are added to a solution of copper sulpha...

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  16. Choose the reactions which are not feasible. I. Iron+Zinc sulphateto...

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  17. Meenu sets up an electric circuit as shown in the figure by usingg cop...

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  18. Study the table carefully and select the appropriate option.

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  19. Some materials like magnesium ribbon, aluminium foil, copperr wire and...

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  20. Extraction of highly electropositve metal is done by

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