State difference between acids and base ​

ACID

Acids are sour in taste.

Acids turn blue litmus red.

Acids do not change the colour of red litmus.

With china rose indicator, acids give dark pink colour.

Acids do not change the colour of turmeric indicator.

bases

Bases are bitter in taste.

Bases do not change the colour of blue litmus.

3.Bases turn red litmus blue.

With china rose indicator, bases give green colour.

Bases turn the colour of turmeric indicator to red.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.