Chemistry Now-a-days yellow lamps are frequently used as street lights. Which of the following gases is used in these lamps ? Neon Sodium Nitrogen Hydrogen Neon Sodium Nitrogen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The coating of a thin layer of zinc on steel or iron objects is known as Electroplating Tinning Hot dipping Galvanising Electroplating Tinning Hot dipping Galvanising ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metallic constituents of hard water are : Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron Iron, tin and calcium Magnesium, calcium and tin Calcium, magnesium and iron Magnesium, tin and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is most acidic Al22O3 Na2O MgO CaO Al22O3 Na2O MgO CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Europe Africa Antarctica India Europe Africa Antarctica India ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following, which is always found in free-state in nature? Copper Gold Sodium Silver Copper Gold Sodium Silver ANSWER DOWNLOAD EXAMIANS APP
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