Chemistry Which of the following elements is non-radioactive ? Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium Zirconium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Copper Aluminium Mercury Silver Copper Aluminium Mercury Silver ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Iron Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Why is water not suitable for putting out a petrol fire ? Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low Petrol is too inflammable to be extinguished by water The oxygen content of water is isolated by petrol and thus it helps in burning Water, being heavy, slips below petrol which thus remains in contact with air and burns The heat required for combustion of petrol is very low ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is used as a catalyst in the hydrogenation of oils is Ni Pt Cu Pb Ni Pt Cu Pb ANSWER DOWNLOAD EXAMIANS APP
Chemistry Activated Charcoal is used to remove colouring matter from pure substances by Adsorption Oxidation Reduction Bleaching Adsorption Oxidation Reduction Bleaching ANSWER DOWNLOAD EXAMIANS APP
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