Which of the following solutions will not change the colour of blue litmus paper to red? 1. Acid solution 2. Base solution 3. Common salt solution Select the correct answer using the code given below.

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Q: 105 (CDS-I/2014)

Which of the following solutions will not change the colour of blue litmus paper to red?
1. Acid solution
2. Base solution
3. Common salt solution
Select the correct answer using the code given below.
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,17,25,8,17,7,10

keywords: 

{'common salt solution': [0, 0, 0, 1], 'acid solution': [0, 0, 0, 1], 'solutions': [0, 0, 2, 3], 'blue litmus paper': [0, 0, 0, 1], 'base solution': [0, 0, 0, 1], 'colour': [11, 6, 13, 28], 'red': [1, 0, 0, 0]}