MEDIUM
7th CBSE
IMPORTANT
Earn 100

What colour change occurs when a few drops of methyl orange is added to vinegar.

Important Questions on Acids, Bases and Salts

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I
Give one word for the following:
The substances that have no effect on indicators.
 
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I

Give one word for the following:

 Substances used to test the nature of a substance.

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I
Give one word for the following:
An example of a natural indicator. (Litmus/ Methyl orange)
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I

Give an example of a synthetic indicator.

EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I
_____ indicator is yellow in basic solution.
EASY
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q I
_____ gives magenta colour in acidic solutions. (Turmeric/ China rose)
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q II
When dilute sulphuric acid is added to lime water, will the reaction mixture be hot or cool?
MEDIUM
7th CBSE
IMPORTANT
Exam Guru Science>Chapter 5 - Acids, Bases and Salts>Exercise 5.3>Q II
How will you test whether a given solution is acidic, basic or neutral with a turmeric indicator?