Chemistry Copper is refined by Zone refining Roasting Oxidation Electrolysis Zone refining Roasting Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Low Energy of dissociation Lonic band Low inflammable energy High inflammable energy Low Energy of dissociation Lonic band Low inflammable energy High inflammable energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons High polish Absorption of light due to the presence of cavities High density, due to closed packing of atoms Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Graphite Carbon black Coal Coke Graphite Carbon black Coal Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called Mortar R.C.C. Concrete Kiln Mortar R.C.C. Concrete Kiln ANSWER DOWNLOAD EXAMIANS APP
Chemistry The inexpensive and commonly used variety of glass is called soda glass. was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate was used initially for making bottles of soda(carbonated drink) is made using soda lime is made using soda(sodium carbonate) was initially used for storing sodium carbonate ANSWER DOWNLOAD EXAMIANS APP