Chemistry The substance most commonly used as a food preservative is Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid Sodium carbonate Sodium salt of benzoic acid Acetic acid Tartaric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular formula of phosphorous is P4 P3 P2 P1 P4 P3 P2 P1 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Hallucinating substance Mental stimulant Tranquillizer Sedative Hallucinating substance Mental stimulant Tranquillizer Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chief source of naphthalene is Camphor Charcoal Coal-tar Diesel Camphor Charcoal Coal-tar Diesel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most common cause of pollution of air is Carbon dioxide Carbon monoxide Sulphur dioxide Smoke Carbon dioxide Carbon monoxide Sulphur dioxide Smoke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is Hg NO2 SO2 Lead Hg NO2 SO2 Lead ANSWER DOWNLOAD EXAMIANS APP
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