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The process of heating concentrated ore ...

The process of heating concentrated ore to a high temperature in excess air is called ____ .

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S CHAND IIT JEE FOUNDATION-METALS AND NON METALS-SELF ASSESSMENT SHEET
  1. The process of heating concentrated ore to a high temperature in exces...

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  2. is a liquid at room temperature. ("Phosphorous"//"Bromine")

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  3. is a non-metal. ("Silicon "//" Lead")

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  4. reaction causes more reactive metal to replace lesser reactive metal f...

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  5. Metals which give out a musical note when struck are called . ("ducti...

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  6. Most metals combine with oxygen to form metal oxides which are . ("ba...

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  7. Which of the following can be beaten into thin sheets?

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  8. Arrange the metals from more reactive to less reactive among zinc, iro...

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  9. Is there a difference in the way a metals and non-metals react with ac...

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  10. Can lemon pickle be stored in an aluminium utensil? Explain.

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  11. What are metalloids? Name two metalloids.

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  12. Element A is hard, mallcable, ductile and react with dilute acids to p...

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  13. Classify the following into metals, non-metals, metalloids and alloys....

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  14. This is not a non-metal.

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  15. Depositing a layer of zinc over iron is called

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  16. This is an alloy of iron, chromium and nickel.

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  17. This is not the characteristic of iron.

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  18. Differentiate between metals and non-metals with respect to their chem...

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  19. Complete the following table to compare the physi- cal properties of m...

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  20. Name the following: Non-metal used for making fertilizers and in fo...

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  21. Name the following: Non-metal used to make an antiseptic solution ca...

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