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Explain the meaning of malleable and duc...

Explain the meaning of malleable and ductile.

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Malleable: Substances that can be beaten into thin sheets are called malleable. For example, most of the metals are malleable.
Ductile: Substances that can be drawn into wires are called ductile. For exmple, most of the metals are ductile.
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NCERT ENGLISH-METALS AND NON-METALS-Exercise
  1. Explain the meaning of malleable and ductile.

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  2. Why is sodium kept immersed in kerosene oil?

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  3. Write equations for the reactions of (i) iron with steam (ii) calc...

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  4. Samples of four metals A, B, C and D were taken and added to the follo...

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  5. Which gas is produced when dilute hydrochloric acid is added to a reac...

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  6. What would you observe when zinc is added to a solution of iron (II) s...

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  7. (i) Write the electron-dot structures for sodium, oxygen and magnesium...

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  8. Why do ionic compounds have high melting points?

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  9. Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

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  10. Name two metals which are found in nature in the free state.

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  11. What chemical process is used for obtaining a metal from its oxide?

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  12. Metallic oxides of zinc, magnesium and copper were heated with the fol...

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  13. Which metals do not corrode easily?

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  14. What are alloys?

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  15. Which of the following pairs will give displacement reactions? (i) NaC...

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  16. Which of the following methods is suitable for preventing an iron fryi...

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  17. An element reacts with oxygen to give a compound with a high melting p...

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  18. Food cans are coated with tin and not with zinc because (a) zinc is ...

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  19. You are given a hammer, a battery, a bulb, wires and a switch. (a) H...

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  20. What are amphoteric oxides? Give two examples of amphoteric oxides.

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