Chemistry The most important ore of aluminium is haematite magnetite bauxite monazite haematite magnetite bauxite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Brass Air Iron Carbon–dioxide Brass Air Iron Carbon–dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Photosynthesis Organic delay Burning Breathing Photosynthesis Organic delay Burning Breathing ANSWER DOWNLOAD EXAMIANS APP
Chemistry The presence of ozone in the stratosphere is responsible for Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis Increasing the average global temperature in recent years Supplying oxygen for people travelling in jets Checking the penetration of ultra-violet rays to the earth Higher rate of photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is not present in stainless steel? Tungsten Iron Chromium Nickel Tungsten Iron Chromium Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Alum Soda powder Borax powder Bleaching powder Alum Soda powder Borax powder Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
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