An acid is defined as a substance whose water solution tastes sour, turns blue litmus red and neutralizes bases. A substance is called base if its aqueous solution tastes bitter, turns red litmus blue or neutralizes acids. Salt is a neutral substance whose aqueous solution does not affect litmus.
Please explain this in simple terms
Answers
Answer:
Acids
Bases
1. Its taste is sour.
Its taste is bitter.
2. It turns blue litmus paper to red.
It turns red litmus paper to blue.
3. It contains hydrogen ion (H+).
It contains hydroxyl ion(OH-)
4. It doesn’t feel soapy to touch.
It feels soapy to touch.
5. Examples: Curd, lemon juice and
Vinegar.
Examples: Baking soda, Soap and lime
water.
Question 2:
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Answer:
Ammonia turns red litmus to blue so it is basic in nature.
Question 3:
Name the source from which litmus solution is obtained. What is the use of this solution?
Answer:
Litmus is extracted from lichens. It has a mauve (purple) colour in distilled water.
When added to an acidic solution, it turns red and when added to a basic solution, it turns blue. So, it is used to test the acidic or basic nature of solutions.
Explanation:
Acids
Bases
1. Its taste is sour.
Its taste is bitter.
2. It turns blue litmus paper to red.
It turns red litmus paper to blue.
3. It contains hydrogen ion (H+).
It contains hydroxyl ion(OH-)
4. It doesn’t feel soapy to touch.
It feels soapy to touch.
5. Examples: Curd, lemon juice and
Vinegar.
Examples: Baking soda, Soap and lime
water.
Question 2:
Ammonia is found in many household products, such as window cleaners. It turns red litmus blue. What is its nature?
Answer:
Ammonia turns red litmus to blue so it is basic in nature.
Question 3:
Name the source from which litmus solution is obtained. What is the use of this solution?
Answer:
Litmus is extracted from lichens. It has a mauve (purple) colour in distilled water.
When added to an acidic solution, it turns red and when added to a basic solution, it turns blue. So, it is used to test the acidic or basic nature of solutions.