Give reason for the following : `CuSO_4` solution is not stored in iron vessels.

Give reasons for the following: Blue vitriol solution is not kept in iron vessels.

Give reason for the following : Buttermilk is not stored in aluminium vessels.

Give reasons for the following statements. Tamarind is not stored in aluminium vessels. It is a common practice to apply oil on iron articles and tools. Stainless steel knives, instead of iron knives, are preferred for cutting citrous fruits.

Give reasons for the following: Iron vessels are not used a boilers that are used to boil water.

In a redox reaction, reduction and oxidation takes place simultaneously. b) Whe CuSO_4 solution stored in iron vessel, the blue color changes to pale green. Do you agree with it? Justify.

Give reason for the following. a) Iron vessels are not used as boilers that are used to boil water. b) Blue vitriol solution is not kept in iron vessels.

Give one word for the following. Tissue specialised to store fats.

Give reasons for the following: Copper is conducting as such while copper sulphate is conducting only in molten state or in aqueous solution.