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Coffee is generally acidic, thus the blue litmus paper will turn red. However, the pH of coffee can vary depending on the kind. Dark roasted coffees tend to be more alkaline and the blue litmus paper may stay blue when dipped.

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15y ago

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What happens to pH paper when dipped in coffee?

When dipped in coffee, pH paper will change color based on the acidity or alkalinity of the coffee. If the coffee is acidic, the pH paper will turn a different color than if it is alkaline. This color change indicates the pH level of the coffee.


What color does litmus paper turn coffee?

Coffee has an acidic pH - red with litmus paper.


What color does litmus paper turn to when dipped in blood?

orange


What is the color of litmus paper dipped in potato juice?

Otgfcch


What color does blue litmus paper turn when dipped in spinach?

Blue litmus paper will likely remain blue when dipped in spinach as spinach is not acidic enough to cause a color change to red.


What happens when a BLUE litmus paper is dipped in an acid?

Blue litmus paper turns RED in an acid. Red litmus paper turns BLUE in a base.


What color does litmus paper turn when it is dipped in a base solution?

blue


When a strip of litmus paper is dipped into an acidic solution the paper turns into what color?

When a strip of litmus paper is dipped into an acidic solution, it turns red. This is because litmus paper changes color in response to the pH of the solution it comes into contact with. In acidic solutions, the paper turns red, indicating low pH.


When a tip of litmus paper is dipped into an alkaline solution the paper turns what color?

It stays blue.


What color does blue litmus paper turn when dipped in water?

dark green


What color does litmus paper turn when it's dipped in a base solution?

blue


What color does litmus paper turn when dipped in red cabbage juice?

blue