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Atomic mass can be measured accurately b...

Atomic mass can be measured accurately by using the device.

A

Mass spectrometer

B

Light spectrometer

C

Electronic balance

D

None

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
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  2. Antione Lavoisier is appreciable because

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

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

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

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

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

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  8. Washing soda'is the common name of

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

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

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

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

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

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  14. A neutral metal atom becomes dipositive ion by loosing two electrons. ...

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  15. We can test the law of conservation of mass by the reaction between ba...

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  16. Based on the above flow chart, generalised statement is P. In any subs...

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  17. In the above flow chart, the number 6.022xx10^23 is

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  18. The molecular mass of a substances is the sum of the atomic masses of ...

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  19. Some symbols of elements are based on their English names, Some other ...

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  20. How many molecules are there in 18 grams of water?

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