Chemistry The most important ore of lead is Pyrolusite Siderite Galena Magnetite Pyrolusite Siderite Galena Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which acid is used in Lead storage battery? Acetic acid Nitric acid Hydrochloric acid Sulphuric acid Acetic acid Nitric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance most commonly used as a food preservative is Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate Tartaric acid Sodium salt of benzoic acid Acetic acid Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is made hard with Hydration and dissociation of water Dehydration Dissociation of water Polymerisation Hydration and dissociation of water Dehydration Dissociation of water Polymerisation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Purification of colloids Dispersing precipitates into colloidal solution Precipitation of colloidal particles Protection of colloidal solution Purification of colloids Dispersing precipitates into colloidal solution Precipitation of colloidal particles Protection of colloidal solution ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most commonly used chemicals in the artificial rainmaking or cloud seeding are Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) Silver Iodide (Ag I) Sodium Chloride (NaCl) All of these Dry Ice (Frozen CO2) ANSWER DOWNLOAD EXAMIANS APP
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