Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram 4.00 gram 8.00 gram 4 x 6.02 x 1023 gram 1.00 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Rain water Distilled water Sea water River water Rain water Distilled water Sea water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide White phosphorus Red phosphorus Phosphorus trichloride Phosphorus pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanised iron is made by coating iron with Sulphur Nickel Chromium Zinc Sulphur Nickel Chromium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is kerosene oil olive oil pine oil coconut oil kerosene oil olive oil pine oil coconut oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following coal contains 90 per cent of carbon? Peat Bitumen Lignite Anthracite Peat Bitumen Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP