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A metal X is in the first group of the p...

A metal `X` is in the first group of the periodic table. What will be the formula of its oxide?

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The correct Answer is:
`X_(2)O`
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
  1. The elements A,B,C and D belong to groups 1,2,14 and 17 respectively o...

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  2. An element X from group 2 reacts with element Y from group 16 of the p...

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  3. A metal X is in the first group of the periodic table. What will be th...

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  4. An element A from group 14 of the periodic table combines with an elem...

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  5. An element X from group 2 of the periodic table reacts with an elemen...

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  6. The following diagram shows a part of the periodic table containing f...

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  7. The elements A,B and C belong to groups 1,14 to 17 respectively of the...

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  8. Find the neutral atom in the periodic table which has the same number ...

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  9. Write the names and symbols of two very reactive metals belonging to g...

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  10. The non-metal A is an important constituent of our food and most of th...

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  11. A non metal X which is the largest constituent of air combines with hy...

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  12. Solid sodium bicarbonate was placed on a strip of pH paper. The colour...

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  13. When dilute hydrochloric acid is added to granulated zinc placed in a ...

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  14. When an aluminium strip is kept immersed in freshly prepared ferrous s...

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  15. The description which most approximately suits sulphur dioxide gas is ...

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  16. Ethanoic acid was added in drops to water and it was noticed that :

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  17. A colourless liquid sample was tested with pH paper strip. The colour ...

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  18. Ehanoic acid was added to sodium hydrogencarbonate solution and the ga...

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  19. Which one of the following set ups is the most apropriate for the evol...

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  20. Four students A,B,C and D noted the initial colour of the solutions in...

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