Acids Bases and Salts MCQs | Acids Bases and Salts Short Questions and Answers

41 Which of the following is usually taken to counter constipation?

42 Tooth enamel is made up of which of the following?

43 A metal compound reacts with dilute hydrochloric acid to produce effervescence. The gas evolved extinguishes a burning candle. If one of the compounds formed is calcium chloride. Then, what’s the name of the metal compound?

44 While mixing a strong concentrated acid/base, we must take care of which of the following? 1. The acid/base must always be added slowly to water rather than the other way around. 2. We must stir the solution slowly and constantly. 3. Protective goggles, gloves, and a lab coat should be worn. 4. The water must always be added to the acid/base rather than the other way around.

45 Which gas is usually liberated when an acid reacts with a metal?

46 Copper chloride is a light brown solid, which slowly absorbs moisture to form a

47 Hydrogen burns with a pop sound in the presence of

48 Metal oxides are also called

49 Which of the following do not conduct electricity? 1. Ethyl alcohol 2. Glucose 3. Water

50 Common salt besides being used in kitchen can also be used as the raw material for making i. soda ii. bleaching powder iii. baking soda iv. slaked lime