EASY
Earn 100

Study the given table carefully.

Substances Colour with China rose indicator
P Green
Q Magenta

P and Q could be respectively 

50% studentsanswered this correctly

Important Questions on Acids, Bases and Salts

EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators

Turmeric is an example of a _____ indicator 

(Blue, natural, neutral, indicators, lichens)

EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Name two natural indicators.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Dorji has a few bottles of soft drink in his restaurant. But, unfortunately, these are not labelled. He has to serve the drinks on the demand of customers. One customer wants acidic drink, another wants basic and third one wants neutral drink. How will Dorji decide which drink is to be served to whom?
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Hydrochloric acid solution affects ______ litmus paper.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
The substance which turns blue litmus red is______.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Name the source from which litmus solution is obtained. What is the use of this solution?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Litmus is a dye which is extracted from _____.
(Blue, natural, neutral, indicators, lichens)
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Blue litmus paper is dipped in a solution. It remains blue. What is the nature of the solution? Explain.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Baking soda solution turns pink china rose indicator green; it is______ solution.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Name one natural indicator and one synthetic indicator.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Methyl orange is a _____ indicator.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Name any two human-made indicators.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Why does a yellow curry stain on a white shirt turn red when washed with soap?
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
A substance is sour in taste, not soapy to touch and has no effect on yellow turmeric solution. It will affect _____ litmus paper.
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Is the distilled water acidic/basic/neutral? How would you verify it?
MEDIUM
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
What is an indicator? Name three indicators.
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Cotyledons are also called-
HARD
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Three liquids are given to you. One is hydrochloric acid, another is sodium hydroxide and the third is a sugar solution. How will you identify them? You have only turmeric indicator.
HARD
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
A shopkeeper has a few bottles of soft drinks in his restaurant which are not labelled. One customer wants acidic drink, another wants basic drink and the third one wants neutral drink. How will the shopkeeper decide which drink is to be served to whom?
EASY
Science>Chemistry>Acids, Bases and Salts>Natural Indicators
Bases turn red litmus to _______.