Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Carbon Bromine Sulphur Phosphorous Carbon Bromine Sulphur Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium salt commonly used to stop bleeding is Aluminium nitrate Aluminium Chloride Potash alum Aluminium sulphate Aluminium nitrate Aluminium Chloride Potash alum Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The common name for the compound having formal NaOH is Caustic soda Caustic potash Soda ash Sodium hydroxide Caustic soda Caustic potash Soda ash Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Sodium carbonate Potassium Permangante Lime Alum Sodium carbonate Potassium Permangante Lime Alum ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a chemical bond is formed ? Energy is always absorbed Energy in always released More energy is released than is absorbed Energy is neither released nor absorbed Energy is always absorbed Energy in always released More energy is released than is absorbed Energy is neither released nor absorbed ANSWER DOWNLOAD EXAMIANS APP