Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? None of these Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum stops bleeding in minor cuts because of Solvation Dialysis Coagulation Emulsion Solvation Dialysis Coagulation Emulsion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is used in Semiconductors Transistors All of these Solar energy devices Semiconductors Transistors All of these Solar energy devices ANSWER DOWNLOAD EXAMIANS APP
Chemistry Select the one which is not a mixture : LPG Air Gasoline Distilled water LPG Air Gasoline Distilled water ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom its high electro negativity strong F - F bond availability of d-orbitals small size of fluorine atom its high electro negativity strong F - F bond availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Oxalic acid H2O2 Alcohol Petrol Oxalic acid H2O2 Alcohol Petrol ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS