Chemistry The cathode of a lead storage battery is made up of Manganese dioxide Zinc Lead oxide Lead Manganese dioxide Zinc Lead oxide Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry How many neutrons are there in 92U238 atom ? 146 92 330 238 146 92 330 238 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines Sea animals are salt producing Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following gases is mixed with oxygen for breathing by divers in aqua lungs? Helium Nitrogen Hydrogen Methane Helium Nitrogen Hydrogen Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry White phosphorus is generally kept under Kerosene oil Alcohol Glycerine Water Kerosene oil Alcohol Glycerine Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Increases Decreases First increases and then decreases Remains the same Increases Decreases First increases and then decreases Remains the same ANSWER DOWNLOAD EXAMIANS APP