Chemistry What is the element that is in the highest percentage in the composition of the earth ? Oxygen Magnesium Iron Silicon Oxygen Magnesium Iron Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Acetaldehyde Formaldehyde Benzaldehyde Cinnaldehyde Acetaldehyde Formaldehyde Benzaldehyde Cinnaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baryllium Sulphate is less soluble in water due to Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy Lonic band Low inflammable energy Low Energy of dissociation High inflammable energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coal Coke Carbon black Graphite Coal Coke Carbon black Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Oxalic acid Kerosene oil Ether Alcohol Oxalic acid Kerosene oil Ether Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ferrous sulphate is used in water treatment as a/an Coagulant aid Adsorbent Reducing agent Oxidizing agent Coagulant aid Adsorbent Reducing agent Oxidizing agent ANSWER DOWNLOAD EXAMIANS APP