Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Gas laser Excimer laser Semiconductor laser Dye laser Gas laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets Increasing the average global temperature in recent years Higher rate of photosynthesis Checking the penetration of ultra-violet rays to the earth Supplying oxygen for people travelling in jets ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical properties of isotopes Need not be different Must be different Need not be same Must be same Need not be different Must be different Need not be same Must be same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stalactites and Stalagmites form due to the precipitation of : MgCO3 CaCl2 MgCl2 CaCO3 MgCO3 CaCl2 MgCl2 CaCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The buffer action of blood is due to the presence of [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– [HCO3]– and H2CO3 HCI and NaCI CI– and [HCO3]– CI– and [CO3]2– ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Reduction Fractional distillation Oxidation Electrolysis Reduction Fractional distillation Oxidation Electrolysis ANSWER DOWNLOAD EXAMIANS APP
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