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Number of particles present in 9 grams ...

Number of particles present in 9 grams of aluminium

A

`2.007xx10^23`

B

`3.011xx10^23`

C

`18.066xx10^23`

D

`6.022xx10^23`

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Initial letter of an element written in capitals should represent that...

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  2. The word 'mole' was first introduced by

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  3. Number of particles present in 9 grams of aluminium

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  4. Father of modern chemistry is……..

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  5. Greek name of sun is…….

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  6. The latin name of Mercury is

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  7. O2 From the given substance select the wrong statement.

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  8. Find the odd one according to their net charge of ion.

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  9. Antione Lavoisier is appreciable because

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  10. Atomic mass can be measured accurately by using the device.

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  11. No. of atoms in 16 g of oxygen.

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  12. In a soda water there is 44 grams of CO2 is mixed with 18 grams of wat...

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  13. Avogadro is appreciable, because he found that one mole of any substan...

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  14. The great mole concept was introduced by………. And he is appreciable.

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  15. Washing soda'is the common name of

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  16. The correct order in the activity to observe law of conservation of ma...

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  17. Uma: mass is neither created nor destroyed during a chemical reaction ...

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  18. square : Sodium chloride :: Al2(SO4)3: Aluminium sulphate

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  19. David: By transfer of electrons atoms- can attain octet Dravid: By s...

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  20. A given chemical substance always contains the same elements combined ...

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