Acids, Bases and Salts Important Questions Name the substance used in softening water. Tooth enamel is the hardest substance of the body due to which substance? What are alkalies? Give examples. Why should curd and sour substances not be kept in brass and copper vessels? You have been provided with three test tubes containing distilled […]
Acids, Bases and Salts Previous Years Questions Few drops of aqueous solution of ammonium chloride are put on a universal indicator paper. The paper turns pink. Study the following table and choose the correct option. [1 mark] [ CBSE 2023] Two salts ‘X’ and ‘Y’ are dissolved in water separately. when phenolphthalein is added to […]
Acids, Bases and Salts Previous Years Questions : Solutions If 10 ml of H2SO4 is mixed with 10 ml of Mg(OH)2 of the same concentration, the resultant solution will give the following colour with universal indicator: [1 Mark] [CBSE 2020] Red Yellow Green BlueSol:The Correct option is (c) Green 2 mL of sodium hydroxide is added to a […]
Acids, Bases and Salts Notes Physical properties of acids:- Acids are sour in taste. Acids are corrosive in touch. Acids turn blue litmus red. Acids give H+ ion in water. Physical properties of bases:- Bases are bitter in taste. Bases are soapy in touch. Bases give OH– ion in water. Bases turn red litmus blue. […]