Chemistry Which one of the following is a greenhouse gas ? Helium Sulphur dioxide Nitrogen Carbon dioxide Helium Sulphur dioxide Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The human body is made up of several chemical elements; the element present in the highest proportion (65%) in the body is oxygen nitrogen hydrogen carbon oxygen nitrogen hydrogen carbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is most toxic ? Sulphur dioxide Chlorine Carbon monoxide Carbon dioxide Sulphur dioxide Chlorine Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is used to restore the colour of old oilpaintings ? Ozone Hydrogen peroxide Barium peroxide Sodium peroxide Ozone Hydrogen peroxide Barium peroxide Sodium peroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pair of compounds used as anaesthetic in medicines : Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform Ether, Ammonia Chloroform, Nitrogen dioxide Nitrogen dioxide, ether Nitrous oxide, Chloroform ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Naphthalene Glycerol Caustic soda Caustic potash Naphthalene Glycerol Caustic soda Caustic potash ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS