Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Solar energy devices Semiconductors Transistors All of these Solar energy devices Semiconductors Transistors All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement Reduction in the cost of cement Preventing rapid setting of cement Increasing the strength of cement Rapid setting of cement ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cyanide poisoning causes death in seconds because It causes cardiac arrest It breaks the electron transport chain It causes Lysis of red blood cells It denatures enzymes of the heart/muscle It causes cardiac arrest It breaks the electron transport chain It causes Lysis of red blood cells It denatures enzymes of the heart/muscle ANSWER DOWNLOAD EXAMIANS APP
Chemistry Poison used for killing rats is Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) Magnesium nitride (Mg3N2) Magnesium phosphide (Mg3P2) Calcium phosphide (Ca3P2) Zinc phosphide (Zn3P2) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Forth floatation process to concentrate the minerals is applicable to Chalcopyrites Haematite Calamine Bauxite Chalcopyrites Haematite Calamine Bauxite ANSWER DOWNLOAD EXAMIANS APP
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