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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 _______.

  yellow

  colorless

  pink

  orange

  Half-n-half Clue
 

2.

Methyl orange solution turns acids _______.

  pink

  orange

  yellow

  colorless

  Half-n-half Clue
 

3.

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

  True

  False

 

4.

Sulfuric acid turns red litmus paper blue.

  True

  False

 

5.

Sodium hydroxide turns red litmus paper blue.

  True

  False

 

6.

A pH scale reading of _______ indicates a weak acid.

  2

  6

  13

  8

  Half-n-half Clue
 

7.

Bromothymol blue solution turns acids _______.

  orange

  colorless

  blue

  yellow

  Half-n-half Clue
 


 
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