Molecules on an acid-base indicator react chemically with ions in a solution, causing the indicator to change color. Which ions in the solution cause this reaction? (3 points)Oxygen ionsWater ionsHydrogen ionsNitrogen ions

Which of the following is the required property of an acid/base indicator?Question 4Answera.The protonated and the deprotonated forms of the indicator are different colours.b.It has a low molecular weight.c.It reacts violently with water.d.The protonated and the deprotonated forms of indicator are the same colour.

Identify which indicator will you use to identify a substance as an acid or a base.

The pH indicator bromothymol blue is blue in an alkaline solution and yellow in an acidic solution. A slight increase in acidity, such as when CO2 gas is added, causes a solution with the indicator to change from blue to yellow.A solution with the indicator would turn from blue to yellow when which combination of factors exists? Select the two correct answers.A.Algae in the solution are placed under a bright light.B.A water plant in the solution is placed on a sunny windowsill.C.A person blows air into the solution through a straw.D.Yeast cells and sugar are placed in the solution.

What is an acid-base indicator?

What is the general name for a substance that changes colour in acids or bases?*1 pointbromothymol bluelitmusuniversal indicatorindicator