Physical Science
Class 10 Acids, Bases and Salts • Acids: − Acids are substances containing hydrogen and can donate a hydrogen ion to another substance. − They have sour taste. − They turn blue litmus paper red. − They do not change the colour of red litmus paper. − E.g. -Hydrochloric acid (HCl) -Sulfuric acid (H 2 SO 4 ) -Nitric acid (HNO 3 ) -Acetic acid (CH 3 COOH) • Bases: − Bases are substances which accepts hydrogen ion. − They ...