Chemistry Which of the following is used to remove rust stains on cloth? Oxalic acid solution Kerosene Lime Petrol Oxalic acid solution Kerosene Lime Petrol ANSWER DOWNLOAD EXAMIANS APP
Chemistry The sewage obtained from water closets and urinals is known as Garbage Sanitary waste Industrial waste Sullage Garbage Sanitary waste Industrial waste Sullage ANSWER DOWNLOAD EXAMIANS APP
Chemistry In surgery, metal pins are used for joining together broken bones. These metal pins remain uncorroded in the body. What is the material of these pins? Titanium Aluminium Iron Copper Titanium Aluminium Iron Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry PVC is obtained by the polymerisation of Styrene Vinyl chloride Propane Acetylene Styrene Vinyl chloride Propane Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is O3 All of these CO CO2 O3 All of these CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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