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(a). Describe the reaction of potassium ...

(a). Describe the reaction of potassium with water. Write the equation of the reaction involved.
(b). Write an equation of the reaction of iron with steam. Indicate the physical states of all the reactants and products.
(c). Which gas is produced when dilute hydrochloric acid is added to a reactive metal?

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(c). Hydrogen
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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. (a). Why does aluminium not react with water under ordinary conditions...

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

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

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

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

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

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

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

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

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

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  11. (a). Name two physical properties each of sodium and carbon in which t...

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  12. Metals are said to be shiny. Why do metals generally appear to be dull...

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  13. (a). What are metals? Name five metals. (b). Name a metal which is s...

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  14. (a). Define non-metals. Give five examples of non-metals. (b). Name ...

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  15. (a). What is meant by the reactivity series of metals ? Arrange the fo...

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  16. The elements whose oxides can turn phenolphthalein solution pink are:

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  17. "Is malleable and ductile " best describes:

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  18. One of the following is not a neutral oxide. This is :

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  19. A basic oxide will formed by the element :

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  20. An acidic oxide iis produced by the element:

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