Chemistry Chemical formula of washing soda is Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 Na2SO4.10H2O Ca(OH)2 Na2CO3.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main component of liquid bleach is: Sodium chloride Sodium hypochlorate Hydrochloric acid Sodium hypochlorite Sodium chloride Sodium hypochlorate Hydrochloric acid Sodium hypochlorite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The function of skimming tank in sewage treatment is to remove Inorganic substances Oil and fatty substances Gritty substances Suspended solids Inorganic substances Oil and fatty substances Gritty substances Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Urea Ammonia Chlorine Sulphur-di- oxide Urea Ammonia Chlorine Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was iron bronze gold copper iron bronze gold copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ethylene is a ________ molecule. Polar Ionic Nonpolar Covalent Polar Ionic Nonpolar Covalent ANSWER DOWNLOAD EXAMIANS APP
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