Chemistry Water is not effective in extinguishing a fire caused by petrol because Water and petrol react chemically Water and petrol are miscible with each other 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 react chemically Water and petrol are miscible with each other 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 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Agricultural waste Sun Natural gas Dried dung Agricultural waste Sun Natural gas Dried dung ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 It is one of the constitutents of water It is lighter than air It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called liquation magnetic separation leaching levigation liquation magnetic separation leaching levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Phosphorous Potassium Nitrogen Silicon Phosphorous Potassium Nitrogen Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muddy water is treated with alum in purification process, itis termed as : Absorption Adsorption Coagulation Emulsification Absorption Adsorption Coagulation Emulsification ANSWER DOWNLOAD EXAMIANS APP