Chemistry Freon' used as refrigerants is chemically Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon Chlorofluoro hydrocarbon Fluorinated aromatic compound Chlorinated hydrocarbon Fluorinated hydrocarbon Chlorofluoro hydrocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chile saltpeter is the common name of: Potassium nitrate Sodium nitrate Potassium nitrite Sodium nitrite Potassium nitrate Sodium nitrate Potassium nitrite Sodium nitrite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde Formaldehyde Acetaldehyde Cinnaldehyde Benzaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Sulphur dioxide Carbon monoxide Carbon dioxide Smoke Sulphur dioxide Carbon monoxide Carbon dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Baking soda is : Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide Potassium carbonate Sodium bicarbonate Sodium carbonate Sodium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Dry ice is the solid form of : Air Water Nitrogen Carbon di–oxide Air Water Nitrogen Carbon di–oxide ANSWER DOWNLOAD EXAMIANS APP
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