Question

Which of the following changes litmus color

1 point

HCl solution

Dry HCl

NaOH solution

Both 1 and 3

​

Answer 1

Answer:

both 1and3.............

Answer 2

Both 1 and 3

HEYA MATE

Litmus paper is a tool used to test whether a substance is an acid or base. When a substance is dissolved in water, the resulting solution causes the litmus paper to change color. The acidity or alkalinity of a solution is determined by the concentration of hydrogen ions, or power of hydrogen, expressed as a pH value. A litmus test provides a quick result but cannot determine the level of acidity or alkalinity of a solution.

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