When sodium acetate is added to acetic acid, the degree of ionisation of acetic acid ______.

(a)

increases

(b)

decreases

(c)

dose not change

(d)

becomes zero

NH₄OH is a weak base because ______.

(a)

it has low vapour pressure

(b)

it is only partially ionised

(c)

it is completely ionised

(d)

it has low density

An example for 1 : 1 electrolyte is ______.

(a)

H₂SO₄

(b)

Na₂SO₄

(c)

NaCI

(d)

Al₂(SO₄)₃

According to Faraday's first law m = ZIt, where Z is ______.

(a)

reaction quotient

(b)

effective nuclear charge

(c)

atomic number

(d)

electrochemical equivalent

1 mho is equal to ______.

(a)

1 siemen

(b)

1 second

(c)

1 ohm

(d)

none of the above