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A drop of phenolphthalein is added to t...

A drop of phenolphthalein is added to the solution of lime water

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Lime water contains traces of calcium hydroxide , `Ca(OH)_(3)` .It is therefore , basic in nature .The colour of phenolphthalein will become pink .
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What will you observe when : (i) Red litmus paper is introduced into a solution of sodium carbonate. (ii) A methyl orange drop is added to dilute hydrochloric acid. (iii) A drop of phenophthalein is added to the solution of lime water. (iv) Blue litmus is introduced into a solution of ferric chlorede.

When a few drop os phenolphthalein indicator were added to the solution of some compound 'A', the solution became pink. What does it indicate ?

(a) Define a universal indicator. Mention its one use. (b) Solution A gives pink colour when a drop of phenolphthalein indicator is added to it. Solution B gives red colour when a drop of methyl orange is added to it. What type of solutions are A and B which one of the solutions A and B will have a higher pH value ? (c) Name one salt whose solutions has pH more than 7 and one salt whose solution has pH less than 7.

MTG IIT JEE FOUNDATION-ACIDS , BASES AND SALTS -Olympiad /HOTS Corner
  1. A drop of phenolphthalein is added to the solution of lime water

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  2. What of the following options shows the correct arrangement of diffe...

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  3. Four solutions labelled as P , Q , R and S have pH values 1 , 9,3 and...

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  4. An element which reacts with water to form a solution which turns ph...

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  5. Daivik , a class 10 student studied the reaction between a carbonat...

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  6. The atmosphere of venus is made up of thick white and yellowish clo...

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  7. 0.1 mol of a basic substance (X) requires 25cm^(3) of 8.0 mol//dm...

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  8. Identify the wrong statement .

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  9. The discomform caused by indigestion due to overeasting can be cured b...

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  10. Which of the following graphs shows the change in pH when zinc carbo...

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  11. Plaster of Paris is

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  12. The shining finish to the walls is given by

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  13. Which of the following compounds is alkaline in aqueous medium ?

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  14. This does not possess water of crystallization

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  15. A is an aqueous solution of Acid and B is an aqueous solution of base....

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  16. Which of the following solutions has the lowest pH value ?

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  17. In an experiment , 5 cm^(3) of 1.0 mol//dm^(3) NaOH solution is grad...

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  18. pH of different solutions are given in the table Arrange these...

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  19. If a few drops of a concentrated acid accidentally spill over the hand...

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  20. On passing CO(2) gas in excess in aqueous solution of sodium carbona...

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  21. Which of the following is acidic in nature ?

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