Chemistry Besides CO2, the other green house gas is Ar Ar CH4 N2 N2 O2 Ar Ar CH4 N2 N2 O2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry A substance which readily forms colloidal solution in contact with water is called Hydrophilic colloid Associated colloid Hydrophobic colloid Extrinsic colloid Hydrophilic colloid Associated colloid Hydrophobic colloid Extrinsic colloid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which type of radiations are absorbed by the upper layer of the atmosphere? Infrared Visible Radio-waves Ultraviolet Infrared Visible Radio-waves Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Electrons Neutrons Positrons Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The water pollution in river is measured by the dissolved amount of Ozone Oxygen Chlorine Nitrogen Ozone Oxygen Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The addition of gypsum to portland cement helps in : Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement Increasing the strength of cement Preventing rapid setting of cement Rapid setting of cement Reduction in the cost of cement ANSWER DOWNLOAD EXAMIANS APP
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