Chemistry The metallic constituents of hard water are : Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron Magnesium, tin and iron Magnesium, calcium and tin Iron, tin and calcium Calcium, magnesium and iron Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Biotic Renewable Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The charcoal used to decolourise brown sugar solution is Sugar charcoal Wood charcoal Animal charcoal Coconut charcoal Sugar charcoal Wood charcoal Animal charcoal Coconut charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to iodise common salt ? Potassium iodate Potassium iodide Sodium iodide Iodine Potassium iodate Potassium iodide Sodium iodide Iodine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main source of Naphthalene is Diesel Charcoal Camphor Coal-tar Diesel Charcoal Camphor Coal-tar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most reactive gaseous element Bromine Iodine Chlorine Flourine Bromine Iodine Chlorine Flourine ANSWER DOWNLOAD EXAMIANS APP
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