Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other Water and petrol react chemically The flame is too hot for water to cool it down Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn Water and petrol are miscible with each other Water and petrol react chemically The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Ozonolysis Distillation Electrolysis Oxidation Ozonolysis Distillation Electrolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Remains unchanged Decreases Increases Does not follow a definite pattern Remains unchanged Decreases Increases Does not follow a definite pattern ANSWER DOWNLOAD EXAMIANS APP
Chemistry The oil used in the froth floatation process is kerosene oil pine oil coconut oil olive oil kerosene oil pine oil coconut oil olive oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical symbol of mercury Mr Hg Mg None of these Mr Hg Mg None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 All of these CO2 CO O3 All of these CO2 CO ANSWER DOWNLOAD EXAMIANS APP