Chemistry What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ? 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. There is no reaction. There is a crackling sound ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Mica Quartz Feldspar Galena Mica Quartz Feldspar Galena ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide Nitric oxide Carbon dioxide Peroxyacetyl nitrate Sulphur dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid Enrich the aroma Stabilise the colloid and prevent crystallisation Stabilise mixture Prevent making a colloid Enrich the aroma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Burning of coal Conversion of water into steam Burning of paper Digestion of food Burning of coal Conversion of water into steam Burning of paper Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first organic compound synthesised in the laboratory was Uric acid Urea Glucose Lactic acid Uric acid Urea Glucose Lactic acid ANSWER DOWNLOAD EXAMIANS APP