Chemistry Plastic is a type of Polyester None of these Polymer Acrylic Polyester None of these Polymer Acrylic ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Zone refining Oxidation Electrolysis Roasting Zone refining Oxidation Electrolysis Roasting ANSWER DOWNLOAD EXAMIANS APP
Chemistry The ‘Green House effect’ is produced due to the presence of excess amount of Nitrogen dioxide Carbon monoxide Methane Sulphur dioxide Nitrogen dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is used in storage batteries? Tin Zinc Copper Lead Tin Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals has least melting point ? Mercury Copper Silver Gold Mercury Copper Silver Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Iron Oxygen Silicon Magnesium Iron Oxygen Silicon Magnesium ANSWER DOWNLOAD EXAMIANS APP
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