Question 1
What substance is used for disinfecting drinking water?
Question 2
Which of the following is formed by gypsum?
Question 3
What property distinguishes a concentrated acid from a dilute acid?
Question 4
What happens to litmus paper in an acidic solution?
Question 5
What pH range is considered safest for human blood?
Question 6
Why is sodium hydroxide also known as caustic soda?
Question 7
What gas is released when acids react with metals?
Question 8
What does a universal indicator do?
Question 9
What occurs during the neutralization reaction?
Question 10
What is the main component of baking powder responsible for the 'rising' effect?
Question 11
What causes tooth enamel to decay?
Question 12
Which indicator turns pink in basic solutions?
Question 13
What reaction occurs when a metallic oxide reacts with an acid?
Question 14
Which type of acid completely dissociates in water?
Question 15
What is the pH level of a neutral solution like pure water?