Chemistry Setting of plaster of paris involves Hydration to form other hydrates Oxidation process Dehydration process Reduction process Hydration to form other hydrates Oxidation process Dehydration process Reduction process ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of Nitrogen in Air is 85.02 0.94 78.03 0.03 85.02 0.94 78.03 0.03 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The iron ore which contains 72% of iron is : Limonite Haematite Magnetite Siderite Limonite Haematite Magnetite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lustre of the metals is because of Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms Absorption of light due to the presence of cavities High polish Reflection of light due to the presence of free electrons High density, due to closed packing of atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low Its ignition temperature is very high Its ignition temperature is very low Its critical temperature is high Its critical temperature is low ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 92 146 330 238 92 146 330 238 ANSWER DOWNLOAD EXAMIANS APP