Chemistry The elements with atomic numbers 9, 17, 35, 53, 85 are all Halogens Heavy metals Noble gases Light metals Halogens Heavy metals Noble gases Light metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Alkaline soils Podsols Acidic soils Saline soils Alkaline soils Podsols Acidic soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 36 19 17 53 36 19 17 53 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is oxygen fluorine sodium bromine oxygen fluorine sodium bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is an example of noble gas ? Hydrogen Helium Nitrogen Chlorine Hydrogen Helium Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Natural rubber is the polymer of : Styrene Ethylene Butadiene Isoprene Styrene Ethylene Butadiene Isoprene ANSWER DOWNLOAD EXAMIANS APP
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