MEDIUM
10th ICSE
IMPORTANT
Earn 100

What is a universal indicator? State the purpose for which this indicator is used.

Important Questions on Acids, Bases and Salts

EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 15
Discuss the role of pH in predicting the nature of the soil.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 15
Discuss the role of pH in human digestive system.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 15
Discuss the role of pH in locating the cause of tooth decay.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 16
Why does a stain of curry on a white cloth become reddish-brown when soap is scrubbed on it and turns yellow again when the cloth is washed with plenty of water?
HARD
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 17
A compound that is prepared from gypsum has the property of hardening when mixed with the proper quantity of water. Identify the compound and write a chemical equation to prepare the compound. Mention one important use of the compound.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 18
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved. Which is utilised in the hydrogenation of oil. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
MEDIUM
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 19
Describe with chemical equations what happens when carbon dioxide gas reacts with ammonical brine solution.
EASY
10th ICSE
IMPORTANT
Science Chemistry>Chapter 2 - Acids, Bases and Salts>ASSESSMENT>Q 20
What is rock salt? Mention its colour and the reason due to which it has this colour.