Chemical formula of baking soda is? Mark as favorite Copy Link MgCO3 MgSO4 Na2CO3 NaHCO3 Check Answer
Which of the following statements is correct about an aqueous solution of an acid and a base? Mark as favorite Copy Link Higher the pH, weaker the acid, and Lower the pH, weaker the base. Higher the pH, stronger the acid, and Lower the pH, weaker the base. Higher the pH, stronger the acid, and Lower the pH, stronger the base. Higher the pH, weaker the acid, and Lower the pH, stronger the base. Check Answer
Which of the following is not a acidic salt? Mark as favorite Copy Link NH4Cl FeCl3 CuSO4 CH3COONa Check Answer
Alkalis are? Mark as favorite Copy Link acids, which are soluble in water acids, which are insoluble in water bases, which are soluble in water bases, which are insoluble in water Check Answer
Lime water reacts with chlorine to give? Mark as favorite Copy Link baking soda washing soda baking powder bleaching powder Check Answer
Brine is an? Mark as favorite Copy Link aqueous solution of sodium bicarbonate aqueous solution of sodium carbonate aqueous solution of sodium hydroxide aqueous solution of sodium chloride Check Answer
If pH of solution is 13, it means that if is? Mark as favorite Copy Link Weakly acidic Strongly acidic Strongly Basic Weakly basic Check Answer
Bleaching powder is used as a disinfectant for water to? Mark as favorite Copy Link Make water clear Remove all the dirt from water Make water tastier Make water germ free Check Answer
Which one of the following can be used as an acid-base indicator by a visually impared (blind) student? Mark as favorite Copy Link Turmeric Vanilla essence Litmus Petunia leaves Check Answer