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Which substance liberates hydrogen when ...

Which substance liberates hydrogen when reacts with metals?

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NCERT TELUGU-METALS AND NON-METALS-EXERCISE
  1. You are given two samples. How do you distinguish which one is metal a...

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  2. Which metals are used in making jewellery?Why?

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  3. Which substance liberates hydrogen when reacts with metals?

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  4. In a chemical reaction iron is unable to displace zinc from zinc sulph...

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  5. Why cooking pans don't have metal handles?

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  6. Which ga makes a pop sound if exposed to lighted matchstick?

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  7. Why are bells made up of metals instead of wood?

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  8. Imagine the human life without metals, write briefly about the consequ...

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  9. The questions Raheem might have asked Generally metals are hard solids...

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  10. The questions Raheem might have asked Are there any other metal substa...

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  11. Discuss the acidic and basic nature of the metals and non-metals with ...

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

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

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  14. What do cooking appliances conduct ?

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  15. What could be the reason for that?

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  16. Do all metals react with water?

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

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

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  19. What could be the reason for that?

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

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