Chemistry The lowest layer of earth's atmosphere is Stratosphere Ionosphere Troposphere Mesosphere Stratosphere Ionosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atoms of same element having different mass numbers are called________ Isotones Isotopes Isobars Isomers Isotones Isotopes Isobars Isomers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one element has the lowest electronegativity value Francium Fluorine Chlorine Radium Francium Fluorine Chlorine Radium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The value of Avogadro Number is 6.023 × 1025 6.023 × 1022 6.023 × 1023 6.023 × 1024 6.023 × 1025 6.023 × 1022 6.023 × 1023 6.023 × 1024 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most extensive, commercially useful source of thorium as monazite sand occurs in India at Travancore coast West Bengal coast Gujarat coast Orissa coast Travancore coast West Bengal coast Gujarat coast Orissa coast ANSWER DOWNLOAD EXAMIANS APP
Chemistry Phosphorus is kept in water because 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 Its ignition temperature is very high Its ignition temperature is very low ANSWER DOWNLOAD EXAMIANS APP