How are hno3(aq) and ch3cooh(aq) similar?
(1) they are arrhenius acids and they turn blue litmus red.
(2) they are arrhenius acids and they turn red litmus blue.
(3) they are arrhenius bases and they turn blue litmus red.
(4) they are arrhenius bases and they turn red litmus blue.

The correct answer is option (1).

Explanation:

Arrehinius acid are those which gives hydronium ion when dissolved in water.

Arrehinius base are those which gives hydroxide ion when dissolved in water.

Both nitric acid and acetic acid are Arrhenius acids.And they turn the color of blue litmus paper to red color.

Hence, the correct answer is option (1).