Question

9.1. Difference between acid and base?​

Answer 1

Answer:

A substance, mostly liquid that donates a proton or accepts an electron pair in reactions. An acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions in aqueous solution, donates electrons and accepts protons.

Answer 2

Answer:

$\huge \fcolorbox{blue}{pink}{Answer}$

$\huge \mathsf \blue{Acid}$

• These are sour to taste.
• Acids turn blue litmus red.
• Acids do not change the colour of red litmus.
• With china rose indicator, these give dark pink colour.
• Acids do not change the colour of turmeric indicator.

$\huge \mathsf \blue{Bases}$

• These are bitter to taste.
• Bases do not change the colour of blue litmus.
• Bases turn red litmus blue.
• Bases give green colour with china rose indicator.
• Bases turn the colour of turmeric indicator to red.