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? 1/3 1/6 1/4 1/8 1/3 1/6 1/4 1/8 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process which does not evolve CO2 in air is Breathing Burning Organic delay Photosynthesis Breathing Burning Organic delay Photosynthesis ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid Associated colloid Hydrophilic colloid Extrinsic colloid Hydrophobic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are genuine coins from counterfeit coins contrabands narcotics lead in bullets genuine coins from counterfeit coins contrabands narcotics lead in bullets ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Ozone Oxygen Nitrogen Chlorine Ozone Oxygen Nitrogen Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Magnesium Sodium, Calcium Calcium, Magnesium Sodium, Potassium Sodium, Magnesium Sodium, Calcium Calcium, Magnesium Sodium, Potassium ANSWER DOWNLOAD EXAMIANS APP
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