Chemistry What particles move around the nucleus of an atom and are negatively charged? Neutrons Positrons Electrons Protons Neutrons Positrons Electrons Protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of removing calcium and magnesium from hard water is known as Water softening Flocculation Filtration Sedimentation Water softening Flocculation Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Uranium Rhodium Iron Thorium Uranium Rhodium Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Plastic is a type of Acrylic Polymer None of these Polyester Acrylic Polymer None of these Polyester ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will be reduced to half Will increase four-fold Will be doubled Remains unchanged Will be reduced to half Will increase four-fold Will be doubled Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP