Chemistry Muddy water is treated with alum in purification process, itis termed as : Coagulation Adsorption Absorption Emulsification Coagulation Adsorption Absorption Emulsification ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Tear Gas Anaesthetic Gas Laughing Gas Noble Gas Tear Gas Anaesthetic Gas Laughing Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra – a –naphthylethylene Tetra –9 – phenanthrylethylene Biphenyl ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Oxygen Ozone Nitrogen Chlorine Oxygen Ozone Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Asbestos is formed of : Lead and Iron Calcium and Zinc Copper, Zinc and Manganese Calcium and Magnesium Lead and Iron Calcium and Zinc Copper, Zinc and Manganese Calcium and Magnesium ANSWER DOWNLOAD EXAMIANS APP