Chemical Properties of Acids and Bases


 
 
Concept Explanation
 

Chemical Properties of Acids and Bases

Chemical Properties of Acids:

  • Acids change the colour of litmus from blue to red.
  • Acids change the colour of Methyl Orange from Orange/Yellow to Pink.
  • Acids turn pink colour of Phenolphthalein to colourless.
  • Acids can conduct electricity.
  • Strong Acids are highly corrosive in nature which means that they corrode or rust metals.
  • Chemical Properties of Bases:

  • Bases change the colour of litmus from red to blue.
  • They are bitter in taste.
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    Sample Questions
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    Question : 1

    Vinegar contains _______________ acid.

    Right Option : C
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    Question : 2

    Among the following, identify the pair of water soluble bases.

    Right Option : C
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    Question : 3

    Which of the following are correct :

    (a) Acids and Bases both can conduct electricity.

    (b) Sodium hydroxide, potassium hydroxide and calcium hydroxide are alkalies.

    (c) Some bases are insoluble or partly soluble in water such bases are called weak bases.

    Right Option : D
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