Question

A blue crystalline salt, used as fungicide in agriculture is

Answer 1

Blue Crystals Copper Sulphate ( Salt), Pesticides, Fungicides. CopperSulphate (Blue Salt) is a very versatile chemical with as extensive a range of uses in industry as it has in agriculture. Its principal employment is in agriculture

Answer 2

Copper sulphate, blue stone, blue vitriol are all common names for pentahydrated cupric sulphate, CuSO45H2O, which is the best known and the most widely used of the copper salts. Indeed it is often the starting raw material for the production of many of the other copper salts.

Today in the world there are more than 100 manufacturers and the world’s consumption is around 275,000 tonnes per annum. It is estimated that approximately three-quarters of this is used in agriculture, principally as a fungicide, but also for treating copper-deficient soils.