Chemistry Which of the following alloy is used in making magnet ? Alnico Stainless steel Duralumin Magnalium Alnico Stainless steel Duralumin Magnalium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement containing excess amount of lime Is slow setting Is quick setting Becomes more strong Cracks during setting Is slow setting Is quick setting Becomes more strong Cracks during setting ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a gaseous air pollutant? Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen Smoke Hydrocarbon Oxides of sulphur Oxides of nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone saves the biosphere by absorbing high energy radiations called ________ . Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) Infra-red (IR) Gamma rays X–rays Ultraviolet rays (UV) ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 2, 10, 8 2, 8, 8, 2 2, 6, 8, 4 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal that is usually extracted from sea water is Mg Ca K Na Mg Ca K Na ANSWER DOWNLOAD EXAMIANS APP