Chemistry Which of the following elements is obtained from sea weeds ? Argon Vanadium Sulphur Iodine Argon Vanadium Sulphur Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is colourless ? Sulphur Oxygen Chlorine Phosphorus Sulphur Oxygen Chlorine Phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Substitution Elimination Addition Oxidation Substitution Elimination Addition ANSWER DOWNLOAD EXAMIANS APP
Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites There is no reaction. There is a violent explosion. There is a crackling sound The paper ignites ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to recover copper from a solution of copper sulphate is Hg Ag Fe Na Hg Ag Fe Na ANSWER DOWNLOAD EXAMIANS APP