Chemistry Ruby and sapphire are oxides of Aluminium Tin Iron Copper Aluminium Tin Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry The example of oligosaccharide is Glucose Cellulose Sucrose Ribose Glucose Cellulose Sucrose Ribose ANSWER DOWNLOAD EXAMIANS APP
Chemistry It is dangerous to leave the car engine running in a closed garage, because it may cause serious pollution due to poisoning by emission of Unburnt petrol CO2 SO2 CO Unburnt petrol CO2 SO2 CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Siderite Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen in water is commonly found in the form of Nitrous oxide Nitrate Nitrite Nitric oxide Nitrous oxide Nitrate Nitrite Nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When Hydrogen starts burning in air, it produces ? Carbonic Acid Ammonia Water Methane Carbonic Acid Ammonia Water Methane ANSWER DOWNLOAD EXAMIANS APP
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