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You are given three metals: sodium, magn...

You are given three metals: sodium, magnesium, and copper. Suggest any two activities to arrange them in order of their reactivity.

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Reaction with water (sodium reacts vigorously, magnesium reacts with hot water, and copper shows no reaction) and displacement reaction (sodium displaces both Mg and Cu, Mg displaces only Cu and not Na, whereas Cu displaces neigther Na nor Mg)
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ZEN PUBLICATION-METALS AND NON METALS-ZEN ADDITIONAL QUESTIONS SECTION (SHORT ANSWER [SA] TYPE 1 QUESTIONS)
  1. You are given three metals: sodium, magnesium, and copper. Suggest any...

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  2. Give the chemical formulae of the stable binary compounds formed by th...

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  3. A solution of copper sulphate was kept in an iron pot. After a few da...

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  4. A non -metal A is an important constituent of our food and forms two o...

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  5. Name one metal and one non metal that exist in a liquid state at room ...

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  6. a. Name the solvent in which ionic compounds are generally soluble. ...

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  7. Give Reason: a. Prior to reduction of the metal, sulphides and metal...

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  8. Account for the following: a. Aluminium is more reactive than iron, ...

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  9. Explain the following: a. Reactivity of Al decreases if it is dipped...

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  10. In joining railway tracks or cracked machine parts, reaction of Fe(2)O...

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  11. What is cinnbar ? How is a metal extracted from cinnabar ? Explain bri...

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  12. Distinguish between calcination and roasting.

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  13. Write composition of the following alloys:

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  14. Two metals P and Q react with oxygen to form their respective oxides w...

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  15. Of three metals X, Y and Z. X reacts with cold water, Y with hot water...

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  16. The atomic number of two elements A and B are 8 and 12. Write the sym...

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  17. A metal that exists as a liquid at room temperature is obtained by hea...

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  18. Give the reaction involved during the extraction of zinc from its ore ...

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  19. Give reason a. Platinum, gold and silver are used to make jewellery....

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  20. Write one example for each: a. A metal which is so soft that, it can...

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