Chemistry The chief constituent of natural gas is: Nitrogen Propane Helium Methane Nitrogen Propane Helium Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry PH scale ranges from 0 – 14 0 – 7 None 8 – 14 0 – 14 0 – 7 None 8 – 14 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.158 0.201 0.323 0.273 0.158 0.201 0.323 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of neutrons present in an element having mass number 226 and atomic number 88 is : 314 88 50 138 314 88 50 138 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water can be separated from alcohol water mixture by Sublimation Distillation Decantation Evaporation Sublimation Distillation Decantation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Oxidation of cellulose Collection of dust Frequent use Lack of aeration Oxidation of cellulose Collection of dust Frequent use Lack of aeration ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS