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Give uses of five metals...

Give uses of five metals

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MBD-METALS AND NON METALS-EXAMPLE
  1. Ionic compounds are insulators when in solid state whereas when in aqu...

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  2. Give two ores of aluminium.

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  3. Give uses of five metals

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  4. Which gas is produced when reactive metals come in contact with dilute...

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  5. Give reason aluminium oxide is considered as an amphoteric oxide.

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  6. How do iron and aluminium react with water?

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  7. What happen when:iron oxide is heated with coke?

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  8. What happen when:Magnesium is treated with dilute sulphuric acid?

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  9. What happen when: zinc is added to blue virtrol solution?

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  10. What is rust? Explain it with the help of a chemical reaction.

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  11. Write two alloys of iron?

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  12. Write the names of metals found in bronze and brass.

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  13. What is the reason of catchig fire by potassium and sodium on their ow...

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  14. Observe the figure given below and name the gas produced also give the...

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  15. Why ionic compound are solid at room temoerature?

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  16. How copper is extracted from its sulhide ore.write balanced equation.

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  17. Why school bells are made up of metal not of non metal?

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  18. Give one example of metal which is liquid at room temperature

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  19. Name one non metal which is lustrous?

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  20. Two solution has ph values of 5 and 8 respectively. which solution wil...

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