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Talk to an electician. Look at the handl...

Talk to an electician. Look at the handles of his tools. Are the handles made of the same materials ? If not why ?

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NCERT TELUGU-METALS AND NON-METALS-EXERCISE
  1. Discuss the acidic and basic nature of the metals and non-metals with ...

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  2. You might have seen an electrician while using the screwdriver. Why do...

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  3. Talk to an electician. Look at the handles of his tools. Are the handl...

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  4. What do cooking appliances conduct ?

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  5. What could be the reason for that?

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  6. Do all metals react with water?

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  7. Do you find any difference in the taste of a raw and a ripe fruit ?

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  8. When do you notice a pop sound is a chemical reaction?

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  9. What could be the reason for that?

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  10. Do you find any change in colour and smell of water in some water samp...

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  11. Which of the samples did not shine even after you cleaned them with sa...

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  12. Observing appearance and colour of some materials: Generally metals ar...

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  13. Observing appearance and colour of some materials: We all know that mi...

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  14. Do you think coal is sonorous?

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  15. What similarity do you notice among materials which produce sound ?

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  16. Identifying malleability of material: What is the property of drawing ...

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  17. Write an experiment to know the reaction of oxygen with metals and non...

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  18. List out the uses of the non-metal sulphur in daily life.

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  19. foil used in inner packing of food materials and toffees.

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  20. Name two non metals that have metallic lusture.

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