Acids Bases And Salts

Chemistry
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The nature of solution which turns blue litmus paper red is ......... .

A
acidic
B
basic 
C
neutral
D
none of these
Hard
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The colours of red litmus paper in acidic, neutral, and basic solutions are:

A
red, orange and blue respectively
B
blue, violet and red respectively
C
red, colourless and blue respectively
D
red, red and blue respectively
Hard
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Which solution is a conjugate acid/base pair with differing spectral absorbencies? 

A
Chemical pH indicator
B
Acid/base buffer
C
Anhydrous solution
D
Hypotonic solution
E
Supersaturated solution
Hard
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The chemical name of "Oil of Vitriol" is:

A
nitric acid
B
hydrochloric acid
C
potassium hydroxide
D
sulphuric acid
Hard
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The acidic or basic nature of a substance is tested by using:

A
Indicator
B
Litmus paper
C
Salt solution
D
Both A and B
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An organic dye, cousins used to detect the endpoint of precipitation titration by the process of  

A
absorption 
B
adsorption 
C
chemical reaction
D
none of the above
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Ant bite is treated by application of __________.

A
washing soda
B
baking soda
C
neutral solution
D
acidic solution
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Which of the following is true?

A
Litmus is extracted from mulberry trees
B
Litmus is a water soluble mixture of different dyes
C
Litmus is extracted from different trees
D
Litmus is the universal indicator
Hard
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