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Chemistry : Indicators, pH & Litmus


Answer the following questions by choosing the most appropriate option.

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Multiple choice

Your Performance  

1.

Methyl orange solution turns bases _______.

  pink

  orange

  yellow

  colorless

  Half-n-half Clue
 

2.

A pH scale reading of 13 indicates a _______.

  weak acid

  strong acid

  weak base

  strong base

  Half-n-half Clue
 

3.

Addition of phenolphthalein solution to an acid results in no color change.

  True

  False

 

4.

A pH scale reading of more than 7 indicates _______ medium.

  a basic

  an acidic

  an unknown

  a neutral

  Half-n-half Clue
 

5.

Methyl orange solution turns acids _______.

  pink

  orange

  yellow

  colorless

  Half-n-half Clue
 

6.

Pure distilled water gives a pH scale reading equal to _______.

  0

  1

  14

  7

  Half-n-half Clue
 

7.

A pH scale reading of _______ indicates a weak base.

  6

  2

  8

  13

  Half-n-half Clue
 


 
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