1. Fill in the blanks.
(a) Substances that taste sour are _______
(b) Most substances that taste bitter are _______.
(c) Coffee tastes _______ but it is acidic in nature.
(d) Turmeric is a ________ indicator.
(e) A ________ can be acidic , basic or neutral depending on its reactant s.
Answers
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Answer:
acids, bases, sweet, natural, indicator
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(a) Substances that taste sour are Acidic.
(b) Most substances that taste bitter are Bases.
(c) Coffee tastes bitter but it is acidic in nature.
(d) Turmeric is a natural indicator.
(e) A Solution can be acidic , basic or neutral depending on its reactant s.
Explanation:
- Any substance that tastes sour in water, turns blue litmus paper red, reacts with some metals to liberate hydrogen, and reacts with bases to form salts is classified as an acid.
- Any substance that tastes bitter in water, turns red litmus paper blue, and reacts with acids to form salts is referred to as a base.
- Coffee's acidity is caused by chlorogenic acid, which is added for flavor. Caffeine contributes to coffee's acidity as well even though coffee is bitter in taste.
- Turmeric is a naturally occurring indication. It is used to determine the acidity and basicity of a solution. Turmeric is a yellow, acidic spice with a pungent flavor. The yellow hue of the turmeric paste changes to red when it is put to the basic solution due to the neutralizing process.
- A solution can be acidic, basic or neutral on the basis of the reactants forming the solution. For example: If a solution is the product of a strong acid and a strong base, then the solution will be neutral but if the solution is the product of a weak acid and strong base, then it would be basic in nature and vice versa.
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