Chemistry The third shell of an atom can have a maximum of ______ electrons 15 21 13 18 15 21 13 18 ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the chemical name for ‘Baking Soda’ ? Sodium nitrite Sodium nitrate Sodium bicarbonate Sodium carbonate Sodium nitrite Sodium nitrate Sodium bicarbonate Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the purest commercial form of iron ? Wrought iron Steel Pig iron Stainless steel Wrought iron Steel Pig iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Krypton Nitrogen Argon Oxygen Krypton Nitrogen Argon Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Alkalinity Acidity Eutrophication Hardness Alkalinity Acidity Eutrophication Hardness ANSWER DOWNLOAD EXAMIANS APP
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