Laboratory Indicators
Laboratory Indicators: Overview
This topic covers concepts such as Phenolphthalein as a Indicator, Methyl Orange, Acid-Base Indicators and Colour of Litmus in Neutral Solution etc.
Important Questions on Laboratory Indicators
What is the formula of litmus paper?
An indicator is used to determine certain chemical properties of a substance.
You are given the following solutions,
(i) salt solution (ii) soda water and (iii)shampoo solution
How will you identify if the solution is acidic, basic or neutral using red cabbage ?
The acid present in the nettle leaf sting is
Name the acid present in the following: Ant sting, Orange, Sour milk, Tomato.
The colour of the neutral litmus solution is:
The colour of the neutral litmus solution is _____.
The colour of the neutral litmus solution is:
The colour of the neutral litmus solution is _____.
How the basicity of the solution is identified?
The litmus solution turns _____ in colour in strong basic solution.
The litmus solution turns _____ in colour in strong acid solution.
The litmus solution is derived from _____.
Describe how the colour of universal indicator changes in different types of solutions.
Identify the solid acid at room temperature.
gas can be dried by passing it over:
