Chemistry Sweat contains water and ________ Lactic acid Vinegar Salt Citric acid Lactic acid Vinegar Salt Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less poisonous than nitrogen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen Less poisonous than nitrogen Lighter than nitrogen Less soluble in blood than nitrogen at high pressure Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the atmosphere is mainly caused by Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide Hydrogen sulphide Sulphur dioxide Chlorofluorocarbon Nitrogen dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The material used in the manufacture of lead pencil is Carbon Graphite Lead Mica Carbon Graphite Lead Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following fibres catches fire least ? Terricot Nylon Rayon Cotton Terricot Nylon Rayon Cotton ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of metallurgy atomic structure periodic table of contents discovery of elements metallurgy atomic structure periodic table of contents discovery of elements ANSWER DOWNLOAD EXAMIANS APP
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