EVERYDAY SCIENCE

SCIENCE

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Two science studentsare setting up a science experiment to determine the qualities of an unknownclear liquid. They gather the necessarymaterials to make their tests, including blue litmus paper. Why do they need blue litmus paper?
A
Blue litmus paperis used when working with acid to clean up the spills
B
To test foracidity, blue litmus paper turns red in the presence of an acid
C
Totest for alkalinity, blue litmus paper turns red in the presence of an alkaline
D
To test forwater, blue litmus paper dissolves immediately upon contact with water
Explanation: 

Detailed explanation-1: -Blue litmus turns red when it is dipped in acid.

Detailed explanation-2: -Pure water is neutral to litmus which means that no change in the colour of blue or red litmus solution is observed when treated with water. Was this answer helpful?

Detailed explanation-3: -Blue litmus paper turns red in an acidic solution and red litmus paper turns blue in a basic solution. Since vinegar is acidic, it turns blue litmus paper to red.

Detailed explanation-4: -Thus, we conclude that the given solution is basic or neutral in nature because the litmus paper colour remains blue after dipping the solution.

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