A rock sample was added to cold dilute HNO₃. The gas evolved was passed into a solution of acidified K₂Cr₂O₇ and the solution turned green. The sample contains

Similar Questions

What is the chemical symbol for Thorium? ...

During the electrolysis of sodium Chloride solution, hydrogen is discharged at the carbon cathode be...

The solubility of a salt of molar mass 101g at 20oC is 0.34 mol dm-3. If 3.40g of the salt is dissol...

The phenomenon whereby sodium trioxocarbonate (IV) decahydrate loses some of its water of crystalliz...

The characteristics reaction of carbonyl compounds is? ...

What volume of oxygen at s.t.p would react with carbon to form 4.40g of CO2 according to the followi...

A mixture of iodine and sulphur crystals can be separated by treatment with? ...

The type of bonding in \({Cu(NH_3)_4}^2\)+ is?...

The process by which alkanoic acid reacts reversibly with alkanols is known as? ...

Which of the following pairs of substances can be distinguished by use of NaHCO3 solution?...