Chemistry Hardest allotrope of carbon is Lamp black Coke Diamond Graphite Lamp black Coke Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Coal fire Burning garbage Steam engine Burning coal Coal fire Burning garbage Steam engine Burning coal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Antimony Zinc Chromium Lead Antimony Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Ethylene Butadiene Styrene Isoprene Ethylene Butadiene Styrene Isoprene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium nitrate Calcium sulphate Calcium carbonate Calcium chloride Calcium nitrate Calcium sulphate Calcium carbonate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram 8.00 gram 4.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
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