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A student placed a pinch of solid sodium...

A student placed a pinch of solid sodium hydrogencarbonate on a strip of red litmus paper. He found that the colour of red litmus paper strip:

A

turned green

B

turned blue

C

turned violet

D

did not change

Text Solution

Verified by Experts

The correct Answer is:
D
NA
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LAKHMIR SINGH & MANJIT KAUR-PERIODIC CLASSIFICATION OF ELEMENTS-Exercise
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  3. A student placed a pinch of solid sodium hydrogencarbonate on a strip ...

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  5. For students A,B,C and D were studying the effect of the solutions of ...

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  6. Which of the following solutions having same concentration will have l...

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  7. We can show that iron is more reactive than copper :

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  8. The pH of a sample of hydrochloric acid is 2. The pH of this sample wh...

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  9. Observe the given figures and choose the correct option:

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  10. When treated with diluted hydrochloric acid which of the following giv...

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  11. Which one of the following procedures is correct to detect the acidic ...

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  12. Which of the following metal strips when placed in colourless AgNO(3) ...

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  13. A small piece of aluminium metal was placed in a beaker containing a g...

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  14. A student measured the pH values of four solutions marked A,B,C and D ...

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  15. Whch of the following solutions should be put on a universal indicator...

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  16. A student took solution X in a test -tube and added a few drops of uni...

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  17. In order to study the neutralisation reaction of acid and base a stude...

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  18. In a experiment to measure the pH values of solutions, a student place...

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  19. A student was given four unknown solutions in test tubes marked A,B,C ...

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  20. When a student added red litmus to an aqueous solution, the red litmus...

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