Chemistry Charcoal is used in water treatment as a/an Coagulant Absorbent Solvent Adsorbent Coagulant Absorbent Solvent Adsorbent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Nitrogen forms a variety of compounds in all oxidation states ranging from –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 –3 to + 6 –3 to + 3 –3 to + 5 –3 to + 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galvanization of iron is carried out using Tin Copper Zinc Chromium Tin Copper Zinc Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The half life period of an isotope is 2 hours. After 6 hours what fraction of the initial quantity of the isotope will be left behind? 1/3 1/4 1/8 1/6 1/3 1/4 1/8 1/6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a metallic ore ? Feldspar Galena Quartz Mica Feldspar Galena Quartz Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry The wire of flash bulb is made of: Magnesium Barium Copper Silver Magnesium Barium Copper Silver ANSWER DOWNLOAD EXAMIANS APP