Chemistry The most abundant element in the earth’s atmosphere is Krypton Argon Oxygen Nitrogen Krypton Argon Oxygen Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Acidic soils Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols Alkaline soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is the most dense liquid from the below Water Choloform None of these Gasolin Water Choloform None of these Gasolin ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Hydrocarbons Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry In the periodic table of elements, on moving from left to right across a period, the atomic radius Does not follow a definite pattern Remains unchanged Increases Decreases Does not follow a definite pattern Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of nucleons the number of protons and electrons the number of neutrons the number of protons the number of nucleons the number of protons and electrons the number of neutrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
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