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Calculate : Calculate the number of mo...

Calculate :
Calculate the number of molecules in 4.4 gm of `CO_(2)`. [Atomic mass of C = 12,0 = 16]

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Weight of one mole `CO_(2)` gas is 44g
Or , 44g `CO_(2)` contains `6.02 xx 10^(23)CO_(2)` molecules so 4.4 g of `CO_(2)` will contain `6.02 xx 10^(22)CO_(2)` molecules.
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ICSE-SAMPLE PAPER 2020-SECTION-II (40 Marks) Attempt any four questions from this Section
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  3. The following table represent the elements and the atomic number: Wi...

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  4. The following table represent the elements and the atomic number: Wi...

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  5. Draw the electron dot diagram for the compounds given below. Represent...

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  6. Draw the electron dot diagram for the compounds given below. Represent...

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  7. Draw the electron dot diagram for the compounds given below. Represent...

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  9. Choose the correct word which refers to the process of electrolysis fr...

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  10. Choose the correct word which refers to the process of electrolysis fr...

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  11. Choose the correct word which refers to the process of electrolysis fr...

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  12. Write chemical reactions taking place in the extracion of Aluminium fr...

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  16. Match the gases given in column I to the identification of the gases m...

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  17. Differentiate between the pairs based on the information given in the ...

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  18. Differentiate between the pairs based on the information given in the ...

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  19. Differentiate between the pairs based on the information given in the ...

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  20. Draw the structures of isomers of pentane.

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