Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 1 gram of molecule 0.5 gram of molecule 10 gram of molecule 5 gram of molecule 1 gram of molecule 0.5 gram of molecule 10 gram of molecule 5 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 3 billion years 13 days 0.01 minute 100 years 3 billion years 13 days 0.01 minute 100 years ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stains of rust on clothes can be removed by : Alcohol Oxalic acid H2O2 Petrol Alcohol Oxalic acid H2O2 Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Alkaline soils Podsols Acidic soils Saline soils Alkaline soils Podsols Acidic soils Saline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Galena Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Lead pencil contains Lead sulphide Lead Ferrous sulphide Graphite Lead sulphide Lead Ferrous sulphide Graphite ANSWER DOWNLOAD EXAMIANS APP
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