Chemistry Which one of the following is known as the 'brown coal'? Anthracite Bituminous Lignite Coke Anthracite Bituminous Lignite Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Steam distillation Fractional crystallisation Fractional distillation Sublimation Steam distillation Fractional crystallisation Fractional distillation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of different elements have Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons Different atomic number and different number of valence electrons Different atomic number and same eletronic configu-ration Same atomic number and same electronic configuration Same number of electrons and neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bauxite is an alloy of which of the following metals ? Tin Iron Silver Aluminium Tin Iron Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP