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State and explain the law of conservatio...

State and explain the law of conservation of mass. 

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  • ATOMS AND MOLECULES

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. State and explain the law of conservation of mass.

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  2. What is the law of conservation of mass according to chemical equation...

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  3. "Dry HCl is not acid". How do you prove it?

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  4. In a class, a teacher asked students to write the molecular formula of...

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  5. Find out the chemical names and formulae for the following common hous...

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  6. Find out the chemical names and formulae for the following common hous...

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  7. Find out the chemical names and formulae for the following common hous...

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  8. Find out the chemical names and formulae for the following common hous...

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  9. Write some chemical names of the substances, that are used in your hou...

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  10. Calculate the mass of the following 0.5 mole of N2 gas

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  11. Calculate the mass of the following 0.5 mole of N atoms

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  12. Calculate the mass of the following 3.011 times 10^23 number of N at...

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  13. Calculate the mass of the following 6.022 times 10^23 number of N2 m...

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  14. Convert in to moles: 12 g of O2 gas

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  15. Convert in to moles: 20 g of water

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  16. Convert in to moles: 22 g of carbon dioxide

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  17. Write the valencies of Fe in FeCl2 and FeCl3.

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  18. Calculate the molar mass of suphuric acid (H2SO4) and glucose (C8H12O6...

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  19. Which has more number of atoms 100 g of sodium or 100 g of iron? Justi...

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  20. Write an equation for decomposition reaction where energy is supplied ...

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