Chemistry An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is 53 36 17 19 53 36 17 19 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is an example of a gel ? Milk Shaving cream Cheese Face cream Milk Shaving cream Cheese Face cream ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not soluble in water ? Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate Potassium sulphate Lead Sulphate Zinc sulphate Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry ________ is a by product of sewage treatment and can be decomposed to produce biogas Scum Sludge Sewage Sewer Scum Sludge Sewage Sewer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Limestone is a raw material used by which industry? Petrochemicals Cement Fertilizers Aluminium Petrochemicals Cement Fertilizers Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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