Chemistry Which metal is the heaviest in periodic table among the following ? Pb W Pt Os Pb W Pt Os ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Hardness Acidity Eutrophication Alkalinity Hardness Acidity Eutrophication Alkalinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry If water smells bad, then that odour can be removed by adding Deactivated nitrogen Alum Activated carbon Bleach Deactivated nitrogen Alum Activated carbon Bleach ANSWER DOWNLOAD EXAMIANS APP
Chemistry Global warming is mainly due to accumulation of Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur Oxides of nitrogen Carbon dioxide Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is also used as a Bio fertilizer? Urea None of these Ammonia Uric Acid Urea None of these Ammonia Uric Acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Iron Silicon and Aluminium Oxygen and Iron Oxygen and Silicon Silicon and Iron Silicon and Aluminium Oxygen and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
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