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 Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down Water and petrol react chemically Water and petrol are miscible with each other Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn The flame is too hot for water to cool it down ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons Absorption of light due to the presence of cavities High polish High density, due to closed packing of atoms Reflection of light due to the presence of free electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Antacid tablets consist of Hydroxides of magnesium and aluminium Hydroxides of sodium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium Hydroxides of magnesium and aluminium Hydroxides of sodium and aluminium Hydroxides of magnesium and sodium Hydroxides of sodium, magnesium and aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry A thick paste of cement, sand and water is called Mortar Kiln Concrete R.C.C. Mortar Kiln Concrete R.C.C. ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide Nitric oxide Nitrogen pentoxide Nitrous oxide Nitrogen trioxide 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
EXAMIANS