Chemistry Which among the following is pure matter ? Iron Carbon–dioxide Brass Air Iron Carbon–dioxide Brass Air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peroxyacetyl nitrate is a Secondary pollutant Vitamin Acidic dye Plant hormone Secondary pollutant Vitamin Acidic dye Plant hormone ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a chemical reaction'? Conversion of water into steam Burning of coal Burning of paper Digestion of food Conversion of water into steam Burning of coal Burning of paper Digestion of food ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the maximum number of electrons that can be present in M-shell? 32 8 2 18 32 8 2 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silicon is a Nonconductor Conductor Insulator Semiconductor Nonconductor Conductor Insulator Semiconductor ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 92235U 818O 614C 13H 92235U 818O 614C 13H ANSWER DOWNLOAD EXAMIANS APP