Chemistry The iron ore which contains 72% of iron is : Limonite Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Gujarat coast West Bengal coast Travancore coast Orissa coast Gujarat coast West Bengal coast Travancore coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 A and c A and b C and d B and c A and c A and b C and d B and c ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap helps in better cleaning of clothes because It reduces the surface tension of solution It gives strength to solution Soap acts like catalyst It absorbs the dirt It reduces the surface tension of solution It gives strength to solution Soap acts like catalyst It absorbs the dirt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals Used as an explosive Used as an abrasive Used to melt metals Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Who modified Bohr's theory by introducing elliptical orbits for electron path Thomson Sommerfeld Hund Rutherford Thomson Sommerfeld Hund Rutherford ANSWER DOWNLOAD EXAMIANS APP