Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis Reduced crop yield Cancer Respiratory diseases (e.g.asthma) Silicosis ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Digestion of food 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides Potassium salts of higher fatty-acids Sodium salts of higher fattyacids Hydrocarbons of petroleum Glycerides Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More abundant than hydrogen Lighter than hydrogen Non-combustible More stable More abundant than hydrogen Lighter than hydrogen Non-combustible More stable ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following chemicals helps in fruit ripening? Atrazine Isoproturan Malathion Ethephon Atrazine Isoproturan Malathion Ethephon ANSWER DOWNLOAD EXAMIANS APP