EASY
7th CBSE
IMPORTANT
Earn 100

You are given the dilute sulphuric acid. What is effect of it on the red litmus?

Important Questions on Acids, Bases, and Salts

EASY
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
You are given the dilute sulphuric acid. What is effect of it on the blue litmus?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
You are given the dilute sulphuric acid. What is effect of it on the phenolphthalein?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
How are natural indicators prepared? What are the colour changes observed with red cabbage juice in acidic, neutral and basic medium?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
What is neutralisation reaction? Give one example.
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
Define the term water of crystallization. How can a hydrated salt be converted to anhydrous salt?
MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E

Write the chemical formula and one use for following salts: silver nitrate and ammonium nitrate.

MEDIUM
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Exercises>Q E
Which salts are also known as baking soda and washing soda? Give one use for each of them.
HARD
7th CBSE
IMPORTANT
Science Horizons>Chapter 5 - Acids, Bases, and Salts>Think and Answer>Q 1
In a kitchen, the bottles containing baking soda, common salt and tartaric acid got mixed up. How will you differentiate between the following without tasting them?