what is indicated when litmus turns from blue to red course hero

What is the solution that turns red litmus paper to blue?

Mar 08, 2017 · Question 1 1 out of 1 points What is indicated when litmus turns from blue to red? Selected Answer: c. pH has decreased and become acid Correct Answer: c. pH has decreased and become acid. ... Course Hero is not sponsored or endorsed by any college or university. ...

What happens when red litmus paper is dipped in the suspension?

Jun 25, 2015 · See Page 1. blue litmus paper is dipped in a solution and it turns red, it indicates to us that the solution is acidic and that [H + ] is high. When red litmus paper is dipped in a solution and it turns blue, this tells us that the solution is basic and that the [OH - ] is high. In this lab we will be using cabbage extract as our pH indicator.

What are the two types of solutions found in litmus paper?

Mar 12, 2017 · View 111 from BIOLOGY 1409 at Brookhaven High School. Question 1 1 out of 1 points What is indicated when litmus turns from blue to red? Selected Answer: Correct Answer: c. pH has decreased

How to make a whitish paste?

Place the beaker on a wire gauze placed over a tripod stand. Heat the beaker using a Bunsen burner till the mixture become a whitish paste. Remove the beaker from the flame and allow it to cool. Dip a red litmus paper in the suspension formed.

Is sodium hydroxide exothermic or exothermic?

The reaction between vegetable oil and sodium hydroxide solution is exothermic in nature because heat is liberated during the reaction. The white suspension formed is made up of soap and glycerol. The process of formation of soap is called saponification.