Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 0.01 minute 13 days 3 billion years 100 years 0.01 minute 13 days 3 billion years 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in Ne(Z = 10) p-electrons in CI(Z = 17) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The components of water can be separated by They can not be separated Both A and B Physical methods Chemical methods They can not be separated Both A and B Physical methods Chemical methods ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Ferrous sulphide Graphite Lead Lead sulphide Ferrous sulphide Graphite Lead Lead sulphide ANSWER DOWNLOAD EXAMIANS APP