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(a). What happens when calcium reacts wi...

(a). What happens when calcium reacts with water? Write the chemical equation of the reaction of calcium with water.
(b). Write the chemical equation of the reaction which takes place when iron reacts with dilute sulphuric acid. What happens when the gas produced is ignited with a burning matchstick?

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LAKHMIR SINGH & MANJIT KAUR-METALS AND NON-METALS-Exercise
  1. You are given samples of three metals-sodium, magnesium and copper sug...

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

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

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

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

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

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

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

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

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

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

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  12. "Is malleable and ductile " best describes:

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

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  14. A basic oxide will formed by the element :

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  15. An acidic oxide iis produced by the element:

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  16. You are given a solution of AgNO(3) which of the following do you thin...

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  17. Out of aluminium, copper, calcium and tin, the most reactive metal is:

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  18. The least reactive metal among the following is :

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  19. An element X reacts with hydrogen, when heated, to form a covalent hyd...

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  20. Out of the following oxides, the amphoteric oxide is:

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