Chemistry Atoms of same element having different mass numbers are called________ Isobars Isomers Isotones Isotopes Isobars Isomers Isotones Isotopes ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that causes suffocation and death when coal or coke is burnt in a closed room is Carbon monoxide Carbon di-oxide Methane Ethane Carbon monoxide Carbon di-oxide Methane Ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry A mixture of water and alcohol can be separated by Decantation Distillation Filtration Evaporation Decantation Distillation Filtration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is K Na Ca Mg K Na Ca Mg ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Pig iron Wrought iron Stainless steel Steel Pig iron Wrought iron Stainless steel Steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one amongst the following is not a Green House gas? Chloro fluoro carbons Carbon dioxide Nitrogen Carbon Monoxide Chloro fluoro carbons Carbon dioxide Nitrogen Carbon Monoxide ANSWER DOWNLOAD EXAMIANS APP