Sulphur
Trending Questions
Q. Concentrated is used in the confirmatory test for sulphate ion.
- HCl
- H2SO4
- HNO3
Q. H+ ions are furnished during the ionisation of .
- acids
- bases
- salts
Q. Of the three varieties of cyclo-octasulphur polymorphs - the alpha, beta and gamma forms, the most stable polymorph near room temperature is __ .
Q. Among the following statements, the incorrect one is :
- zinc blende and pyrites are sulphides
- argentite and cuprite are oxides
- calamine and siderite are carbonates
- malachite and azurite are ores of copper
Q.
The process of obtaining sulphur by the borehole method is called the:
Frasch process
Leblanc process
Contact process
Hoopes process