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A student was given three solution marke...

A student was given three solution marked `X,Y` and `Z` and asked to arrange them in the increasing order of their pH values. The student put two drops of each solution on three strips of universal indicator paper sepately. The colours shown by the three indicator strips are as follows:

Which of the following gives the correct increasing order of pH values?

A

`ZltXltY`

B

`YltZltX`

C

`XltYltZ`

D

`ZltYltX`

Text Solution

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The correct Answer is:
B
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
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  2. Aluminium sulphate and copper sulphate solutions were taken in two tes...

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  3. A student was given three solution marked X,Y and Z and asked to arran...

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  4. When the strip of pH paper was put in a given solution the pH paper ch...

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  5. The test tube I contains sodium bicarbonate solution whereas test tube...

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  6. No observable change is noticed when dilute hydrochloric acid is added...

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  7. A student took four test tubes I,II,III and IV containing aluminium su...

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  8. 2mL of ethanoic acid was taken in each of test tube I and test tube II...

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  9. Four students A,B,C and D were asked by their teacher to arrange the s...

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  10. On adding a few drops of universal indicator solution to three unknown...

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  11. A few drops of ethanoic acid were added to solid sodium carbonate. The...

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  12. Did Döbereiner’s triads also exist in the columns of Newlands’ Octaves...

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  13. What were the limitations of Döbereiner’s classification?

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  14. What were the limitations of Newlands’ Law of Octaves?

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  15. Use Mendeléev’s Periodic Table to predict the formulae for the oxides ...

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  16. Besides gallium, which other elements have since been discovered that ...

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  17. What were the criteria used by Mendeléev in creating his Periodic Tabl...

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  18. Why do you think the noble gases are placed in a separate group?

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  19. How could the Modern Periodic Table remove various anomalies of Mendel...

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  20. Name two elements you would expect to show chemical reactions similar ...

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