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A few drops of aqueous NaOH are dropped ...

A few drops of aqueous NaOH are dropped on a pH paper. The colour of the pH paper will turn to :

A

violet

B

yellow

C

green

D

blue

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BEYOND PUBLICATION-ACIDS,BASES AND SALTS-EXERCISE
  1. A few drops of methyl orange are added to a soap solution the colour o...

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  2. A few drops of methyl orange are added to a soap solution the colour o...

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  3. A few drops of aqueous NaOH are dropped on a pH paper. The colour of t...

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  4. Which of the following metal does not produces dihydrogen gas with dil...

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  5. Observe the figure.Which is base among them ?

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  6. Observe the box. Which is the weak acid among them ?

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  7. Four students were given colourless liquids A,B,C of water, lemon juic...

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  8. What happens when a solution of an acid is mixed with a solution of a ...

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  9. Sodium hydrogen carbonate when added to acetic acid evolves a gas. Whi...

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  10. Common salt used in kitched as well as be used as the raw material for...

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  11. Bases tum phenophthalein into .................. colour.

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  12. are sour to taste and turn blue litmus to

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  13. The substances that are soapy to touch

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  14. reaction in which acid reacts with the base forming salt and water is ...

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  15. is example of synthetic indicator.

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  16. Which gas is usually liberated when an acid reacts with a metal ? How ...

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  17. When base react with metalgas is evolved.

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  18. reaction in which acid reacts with the base forming salt and water is ...

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  19. mixing an acid or base with water is process called

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  20. The p in pH stands for.

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