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a) If we dip the iron nail in the soluti...

a) If we dip the iron nail in the solution of copper sulphate, what changes can you observed?
b) Write the chemical equation.
c) What type of reaction it is?

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VGS PUBLICATION-BRILLIANT-CHEMICAL REACTIONS AND EQUATIONS-ESSENTIAL MATERIAL FOR EXAMINATION PURPOSE
  1. Write an activity about how you conduct an experiment to show that mor...

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  2. Zn+2HCl rarr ZnCl(2)+H(2) a) What type of reaction is it ? b) Whic...

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  3. a) If we dip the iron nail in the solution of copper sulphate, what ch...

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  4. Give one example to chemical displacement.

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  5. N(2(g))+O(2(g))+"Heat"rarr 2NO((g)) What information do you get from...

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  6. What can be interpreting from a chemical equation ?

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  7. What information does provide a chemical equation.

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  8. Here some substances are given. Write them in a chemical equation form...

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  9. Fill the table with suitable examples.

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  10. a) Na(2)SO(4)+BaCl(2)rarr b) C+….rarr CO(2) c) Mg+2HCl rarr d) …...

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  11. a) Na(2)SO(4)+BaCl(2)rarr b) C+….rarr CO(2) c) Mg+2HCl rarr d) …...

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  12. a) Na(2)SO(4)+BaCl(2)rarr b) C+….rarr CO(2) c) Mg+2HCl rarr d) …...

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  13. a) Na(2)SO(4)+BaCl(2)rarr b) C+….rarr CO(2) c) Mg+2HCl rarr d) …...

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  14. Draw the diagram of apparatus arrangement to decompose calcium carbona...

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  15. Draw the diagram of reduction of copper oxide to copper and label it.

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  16. How do you appreciate the cemical equations?

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  17. Calculate the amount of aluminium, required to get 1120 kg of iron fro...

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  18. Calculate the volume, mass and number of molecules of hydrogen liberat...

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  19. Write some effects of oxidation reactions in daily life.

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  20. Is oxidation good or evil or both ? Justify your answer with examples.

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