Chemistry Burning pyrites ore gives out Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials Reduction in plant's productivity owing to acid rain All of these Respiratory and lung disease Corrosion building materials ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/8 1/3 1/6 1/4 1/8 1/3 1/6 1/4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Trinitrotoluene is Used to melt metals Used as an explosive Used as an abrasive Used to fuse two metals Used to melt metals Used as an explosive Used as an abrasive Used to fuse two metals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Iron Zinc Copper Lead Iron Zinc Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many atoms of oxygen are in a glucose molecule 4 3 10 6 4 3 10 6 ANSWER DOWNLOAD EXAMIANS APP
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