Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Ammonia Chlorine Sulphur-di- oxide Urea Ammonia Chlorine Sulphur-di- oxide Urea ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metals commonly used for electroplating are Gold, Sodium and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium Gold, Sodium and Chromium Gold, Sodium and Potassium Chromium, Copper and Nickel Nickel, Lead and Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium Sodium, Potassium Sodium, Calcium Calcium, Magnesium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The 'solid waste' is also known as Toxic waste Sludge Sedge Scrubber Toxic waste Sludge Sedge Scrubber ANSWER DOWNLOAD EXAMIANS APP