Chemistry Which of the toxic heavy metals is found in modern tannery industries ? Lead Chromium Zinc Nickel Lead Chromium Zinc Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry Commercially, sodium bicarbonate is known as Bleaching powder Washing soda Soda ash Baking soda Bleaching powder Washing soda Soda ash Baking soda ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as non-stick coating for cooking utensils? Perspex Teflon Styrofoam Polystyrene Perspex Teflon Styrofoam Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver gets corroded due to ________ in air. Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide Oxygen Nitrogen Hydrogen Sulphide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Neutron Positron Proton Electron Neutron Positron Proton Electron ANSWER DOWNLOAD EXAMIANS APP
Chemistry What are the components responsible for acid rain? Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) Sulphur dioxide (SO2) and Nitrogen oxides (NOx) Oxides of carbon (COx) and Oxides of nitrogen (NOx) Nitrogen monoxide (NO) and Carbon monoxide (CO) Carbon dioxide (CO2) and Carbon monoxide (CO) ANSWER DOWNLOAD EXAMIANS APP