Recap|Indicator|Turmeric Indicator|China Rose|Litmus|Neutral Substances|OMR

Acids And Bases|Indicators For Testing Acids And Bases|Litmus Indicator|Phenolphthalein Indicators|Methyl Orange Indicators|Examples|Olfactory Indicators|Turmeric As Indicators|Questions

Quick Revision|What Is An Acid - Base Indicator ?|Types Of Indicator| Litmus|Turmeric|OMR|Previous Year Questions

Recap|Artificial Indicators|Neutralization|OMR

What are acids and base?|What is an indicator?|Types of Indicator|Chemical properties of acids|Questions|Bases|Chemical properties of bases|pH scale |pH and Neutral|pH and Acidic strength|pH and basic strength|Universal Indicator|Importance of pH

The two indicators which give red or pink colour on adding a basic solution are : A. China rose indicator B. Turmeric paper indicator C. Phenolphthalein indicator D. Blue litmus indicator

(a). What is a universal indicator? For what purrpose is it used? (b). How does a universal indicator work? (c). Water is a neutral substance. What colour will you get when you add a few drops of universal indicator to a test-tube containing water?

Quick Revision|What Is An Indicator?|Types Of Indicator|OMR|Onion|OMR

Indicate the group containing only diamagnetic substances.

Turmeric and litmus are ______acid -base indicators.

The substance that is neutral to litmus