Quiz1 Chemical analysis detection of anions of conc. hot H2SO4 group

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas is produced that make fumes with NH3

The chemical formula of sodium tetra tionate is ..

We can get sodium tetra thionate by adding ……….  to ……

We used acidified  mangnesium sulphate  in confirmatory test to detect the following anions:

We used acidified  potassium permanganate  solution in confirmatory test to detect the following anions:

we use Iodine solution in confirmatory test to detect the following anions:

we use sliver nitrate in confirmatory test to detect the following anions:

To form a brown ring from FeSO4.NO compound we must use a a freshly prepared and concentrated amount of FeSO4 solution   Give Reason?because

When adding a solution of NaNO3 to  fresh prepared con. solution of iron II sulphate  with a little of conc sulphuric acid a brown ring compound is formed that can removed by ……

A white  ppt. that changes into violet   by affecting of sun light and soluble in ammonia is…

A white yellow ppt. that turns dark in sun light and slowly soluble in ammonia is…

When adding a salt solution of ……….. to  fresh prepared con. solution of iron II sulphate  with a little of conc sulphuric acid a brown ring compound of ………..  is formed

When adding a salt solution of ……….. to silver nitrate solution a white yellow ppt.  of ……… is formed that turns dark in sunlight and slowly soluble in NH3

When adding a salt solution of ……….. to silver nitrate solution a yellow ppt.  of ……… is formed that not affect by sunlight  and insoluble in NH3

When adding a salt solution of ……….. to silver nitrate solution a white yellow ppt.  of ……… is formed not affect by sunlight

When adding a salt solution of ……….. to silver nitrate solution a white yellow ppt.  of ……… is formed that turns dark in sunlight

when adding a salt solution of ……….. to silver nitrate solution a white ppt.  of ……… is formed

when adding conc. Sulphuric acid with heating to the solid salt of ………  so a reddish brown gas of ………. is formed due to reduction of ……….. acid

when adding conc. Sulphuric acid with heating to the solid salt of ………  so a reddish brown gas is produced that increases by adding Cu turings

when adding conc. Sulphuric acid with heating to the two solid salts of ………  and …….  colorless gases  of ………..   and  ………. are produced with irritating smell gas of ………

Iodine Vapor turns a paper wet with starch into …..

Bromine Vapor turns a paper wet with starch into …..

The color of Iodine vapor is ………

The color of Iodine solution is ………

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas of ………..   is produced that turns into violet vapor

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas of …………..   is directly produced then turns into orange vapor of …….. gas

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas of ………….  is produced that make fumes with NH3

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas of …………..   is produced that turns into orange vapor

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas of ………..   is produced that turns into violet vapor

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas is produced that turns into violet  vapor

when adding conc. Sulphuric acid with heating to the solid salt of ………  colorless gas is produced that turns into orange vapor