Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Hydrogen peroxide Ozone Barium peroxide Sodium peroxide Hydrogen peroxide Ozone Barium peroxide Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following group of gases contributes to the 'Green House Effect'? Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide Carbon dioxide and Methane Ammonia and Ozone Carbon tetraflouride and Nitrous oxide Carbon monoxide and Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Plutonium Radium Zinc Thorium Plutonium Radium Zinc Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Solder metal is an alloy of Lead and tin Lead and antimony Copper and zinc Copper and tin Lead and tin Lead and antimony Copper and zinc Copper and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium An alga Lichen A fungus A bacterium An alga Lichen A fungus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ruby and sapphire are oxides of Tin Copper Aluminium Iron Tin Copper Aluminium Iron ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS