Chemistry The octane number of zero is assigned to n-heptane iso-octane 3-methyl octane 2-methyl octane n-heptane iso-octane 3-methyl octane 2-methyl octane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The name of plastic polymer from which combs, toys, bowls etc., can be made, is Teflon Polyurethane Metallic polysulphides Polystyrene Teflon Polyurethane Metallic polysulphides Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin Iron, tin and calcium Magnesium, tin and iron Calcium, magnesium and iron Magnesium, calcium and tin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aluminium can be purified by Electrolysis Distillation Ozonolysis Oxidation Electrolysis Distillation Ozonolysis Oxidation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following stage is suitable indicator when solution of sodium carbonate is mixed with sulphuric acid ? Methyl red Methyl orange Phenolphthaline Methylene blue Methyl red Methyl orange Phenolphthaline Methylene blue ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a commercial source of energy? Natural gas Agricultural waste Dried dung Sun Natural gas Agricultural waste Dried dung Sun ANSWER DOWNLOAD EXAMIANS APP
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