Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. There is no reaction. There is a crackling sound The paper ignites There is a violent explosion. ANSWER DOWNLOAD EXAMIANS APP
Chemistry The three elements most needed in common fertilisers are : Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous Sulphur, Phosphorous and Sodium Phosphorous, Sodium and Nitrogen Calcium, Phosphorous and Potassium Nitrogen, Potassium and Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen The combination of oxygen molecules Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The action of ultraviolet rays on oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk is a colloidal system in which: Water is dispersed in fat Fat and water are dispersed in each other Fat is dispersed in water Fat is dissolved Water is dispersed in fat Fat and water are dispersed in each other Fat is dispersed in water Fat is dissolved ANSWER DOWNLOAD EXAMIANS APP
Chemistry What material is used to make electric heater coil ? Silver Copper Iron Nichrome Silver Copper Iron Nichrome ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highest percentage of carbon is found in which form of coal? Peat Bituminous Lignite Anthracite Peat Bituminous Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
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