Question 1
What is the main use of plaster of Paris (CaSO₄ · 1/2H₂O) according to the notes?
Question 2
What property distinguishes alkalis from other bases?
Question 3
Which chemical reaction is an example of acid + metal reaction?
Question 4
What is produced when a non-metallic oxide reacts with a base as seen in the notes?
Question 5
Which substance is an example of a strong acid mentioned in the notes?
Question 6
What is the defining feature of an acid according to the given notes?
Question 7
What color does turmeric turn in a basic solution?
Question 8
What is the pH of a neutral solution?
Question 9
What is a common result of a reaction between an acid and a metal oxide?
Question 10
Which indicator turns pink in a basic solution?
Question 11
What substance is used to indicate the strength and nature of an acidic or basic solution?
Question 12
How is bleaching powder (Ca(OCl)₂) formed?
Question 13
What is the primary use of sodium hydroxide (NaOH) as mentioned in the notes?
Question 14
What do acids release when dissolved in water?
Question 15
What is baking soda chemically known as?