Match the following :

Acid-base titration	Suitable indicator
a) HCI Vs NaOH	1. Phenolphtalein
b) HCI Vs Na2CO3	2. No suitable indicator
c) CH3COOH Vs NH4OH	3. Both methyl orange and phenolphthalein
d) Oxalic acid Vs NaOH	4. Methyl orange

2 KOH+H₂SO₄→K₂SO₄+2H₂O

The equivalent mass of the salt, K₂SO₄ is

Match the following :

Which statement is correct 

Wohler synthesised organic compound (urea) from an inorganic compound ammonium cyanate.

Wohler synthesised inorganic compound (urea) from an organic compound ammonium cyanate.

Wohler synthesised organic compound (urea) from an inorganic compound ammonium isocyanate.

Bordeaux mixture is

The antiseptic compound present in dettol is