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(a). How do metals usually do not libera...

(a). How do metals usually do not liberate hydrogen gas with dilute nitric acid.
(b). Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.

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(b) Magneisum and Manganese
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. (a). What is the neture of the oxide SO(2)? What happens when it is di...

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  2. (a). What is the nature of the oxide SO(2)? What happens when it is di...

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  3. (a). How do metals usually do not liberate hydrogen gas with dilute ni...

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  4. (a). How do non-metals react with hydrogen? Explain with an example. ...

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  5. (a). What happens when calcium reacts with chlorine? Write an equation...

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  6. (a). Arrange the following metals in order of their chemical reactivit...

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  7. A copper plate was dipped in AgNO(3) solutions. After certain time, si...

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  8. State five uses of metals and five of non-metals.

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  9. State one use each of the following metals: Copper, Aluminium, Iron,...

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  10. (a). State one use each of the followign non-metals: Hydrogen, Carbo...

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  11. (a). Why does aluminium not react with water under ordinary conditions...

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  12. (a). Why is sodium kept immersed in kerosene oil ? (b). Why is white ...

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  13. (a). Describe the reaction of potassium with water. Write the equation...

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  14. (a). Give one example, with equation, of the displacement of hydrogen ...

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  15. What is the action of water on (a) sodium (b) magnesium, and (c) alumi...

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  16. You are given samples of three metals-sodium, magnesium and copper sug...

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  17. (a). Write one reaction in which aluminimum oxide behaves as a basic o...

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  18. (a). What happens when calcium reacts with water? Write the chemical e...

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  19. You are given a dry cell, a torch bulb with holder, wires ad crocodile...

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  20. State any five physical properties of metals and five physical propert...

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