Chhattisgarh Board Solutions for Chapter: Acids, Bases and Salts, Exercise 8: Exercise
Chhattisgarh Board Science Solutions for Exercise - Chhattisgarh Board Solutions for Chapter: Acids, Bases and Salts, Exercise 8: Exercise
Attempt the practice questions on Chapter 2: Acids, Bases and Salts, Exercise 8: Exercise with hints and solutions to strengthen your understanding. Science (Theory & Practical) Class-10 solutions are prepared by Experienced Embibe Experts.
Questions from Chhattisgarh Board Solutions for Chapter: Acids, Bases and Salts, Exercise 8: Exercise with Hints & Solutions
During an experiment, Neelam and Manish added concentrated sulphuric acid to dry (anhydrous) sodium chloride. A gas evolved during the reaction. When Manish placed a dry blue litmus paper near the mouth of the test tube nothing happened but when he placed a moist blue litmus paper, it became red. Explain why.
Some substances and their values are given in the table. Analyse the data in the table and answer the following question:
| Substance | value |
| A solution of baking soda | |
| Lemon juice | |
| Vinegar | |
| Sodium hydroxide solution | |
| water |
Which of the substances are basic in nature?
Some substances and their pH values are given in the table. Analyse the data in the table and answer the following question:
| Substance | value |
| A solution of baking soda | |
| Lemon juice | |
| Vinegar | |
| Sodium hydroxide solution | |
| water |
Which of the substances are acidic in nature?
Some substances and their pH values are given in the table. Analyse the data in the table and answer the following question:
| Substance | pH value |
| A solution of baking soda | |
| Lemon juice | |
| Vinegar | |
| Sodium hydroxide solution | |
| water |
Which of the substances are neutral?
Acids "A" and "B" were taken in two beakers. Acid "A" ionises partially in water while acid "B" ionises completely. On this basis, tell:
Which among "A" and "B" is strong acid and which is weak?
Acids "A" and "B" were taken in two beakers. Acid "A" ionises partially in water while acid "B" ionises completely. On this basis, tell:
What is a weak acid?
Acids "A" and "B" were taken in two beakers. Acid "A" ionises partially in water while acid "B" ionises completely. On this basis, tell:
What is a strong acid?
Acids "A" and "B" were taken in two beakers. Acid "A" ionises partially in water while acid "B" ionises completely. On this basis: Give examples of both strong and weak acids.
