Chemistry The number of g-molecule of oxygen in 6.02 x 1024CO molecules is 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule 0.5 gram of molecule 5 gram of molecule 1 gram of molecule 10 gram of molecule ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Galena Pyrolusite Siderite Magnetite Galena Pyrolusite Siderite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Domestic sewage Paints Acid Plants Wood burning Domestic sewage Paints Acid Plants Wood burning ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric fuse is an alloy of Zinc and lead Carbon and tin Copper and iron Tin and lead Zinc and lead Carbon and tin Copper and iron Tin and lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry If there is one million Mg2+ ions in MgCl2, how many chloride ions are there? Ten million One million Two million Half a million Ten million One million Two million Half a million ANSWER DOWNLOAD EXAMIANS APP
Chemistry The “King of Metals” is : Silver Gold Iron Aluminium Silver Gold Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
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