Chemistry Cement is usually a mixture of : Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate Calcium silicate and calcium ferrate Lime stone and silicon dioxide Calcium aluminate and calcium ferrate Calcium silicate and calcium aluminate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Domestic cooking gas consists mostly of Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane Hydrogen and acetylene Ethylene and carbon monoxide Liquified butane and isobutane Methane and ethane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetophenone Acetone Phenyl acetate Acetic acid Acetophenone Acetone Phenyl acetate Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry A polymeric substance used to make parachute is Terylene Cotton Rayon Viscose Terylene Cotton Rayon Viscose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Lime Potassium Permangante Alum Sodium carbonate Lime Potassium Permangante Alum Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide Sulphur dioxide Hydrocarbons Nitrous oxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
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