Question 1. State differences between acids …

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Question 1. State differences between acids and bases.

Posted by Neet Kirar 5 years, 2 months ago

CBSE > Class 07 > Science

4 answers

Anushka Kapoor 5 years, 2 months ago

Wow what a answer

1Thank You

Gianna Ann Mathews 5 years, 2 months ago

Acid and Bases:(i) acids are sour in taste.(i) bases are bitter in taste.

2Thank You

Yogita Ingle 5 years, 2 months ago

Basis	Acid	Base
Definition	An acid is any chemical compound once dissolved in water produces a solution with hydrogen ion activity more than purified water	A base is an aqueous substance that could absorb hydrogen ions.
Strength	Relies on the concentration of the hydronium ions	Relies on the concentration of the hydroxide ions
Examples	Acetic acid CH3COOH and sulphuric acid	Sodium Hydroxide (NaOH) and Ammonia
Characteristics (Physical)	Would depend upon the temperature acids would look solid, liquid or in the form of gas. It would also have a sour taste.	Bases would feel slippery and solid in nature (except for ammonia, which is gaseous). It would have a bitter taste.
Disassociation	Acids would release hydrogen ions (h+) when mixed with water	Bases would release hydroxide ions(OH-) when mixed with water

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Neet Kirar 5 years, 2 months ago

Answer: AcidsBases(i) Acids are sour in taste.(i) Bases are bitter in taste.(ii) It turns litmus paper red.(ii) It turns litmus paper blue.(iii) It doesn't change the colour of turmeric indicator.(iii) It changes the colour of turmeric indicator to red.(iv) It doesn't feel soapy on touching.(iv) It feels soapy on touching.

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