Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Methane Butane Ethane Propane Methane Butane Ethane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Sewage Sewer Scum Sludge Sewage Sewer Scum Sludge ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical name of 'Plaster of Paris' commonly used for setting broken bones is Calcium chloride Calcium sulphate Calcium nitrate Calcium carbonate Calcium chloride Calcium sulphate Calcium nitrate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following, which one pollutes the air of a big city ? Copper Chromium Cadmium Lead Copper Chromium Cadmium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Colloids can be purified by Condensation Dialysis Condensation Condensation Condensation Dialysis Condensation Condensation ANSWER DOWNLOAD EXAMIANS APP
Chemistry A powerful eye irritant present in smog is Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide Peroxyacetyl nitrate Carbon dioxide Sulphur dioxide Nitric oxide ANSWER DOWNLOAD EXAMIANS APP