Podcast
Questions and Answers
What type of material is a base?
What type of material is a base?
- Material that reacts with an acid to produce water and salt (correct)
- Substance that produces a salt when reacting with an acid
- Material that tastes sour and turns blue litmus red
- Material that reacts with a base to produce only water
Which type of mixture does not settle on standing due to the very small size of its particles?
Which type of mixture does not settle on standing due to the very small size of its particles?
- Colloid (correct)
- Suspension
- Heterogeneous mixture
- Homogeneous mixture
What is the defining characteristic of an acid?
What is the defining characteristic of an acid?
- Turns blue litmus red (correct)
- React with bases to produce just water
- Tastes bitter in water
- Has no effect on litmus paper
In the context of acids and bases, what does it mean for a compound to be ionisable?
In the context of acids and bases, what does it mean for a compound to be ionisable?
Which type of compound does not dissociate into ions in solution?
Which type of compound does not dissociate into ions in solution?
What is the role of bases in household cleansers?
What is the role of bases in household cleansers?
What is the main characteristic of an acid according to the Arrhenius theory?
What is the main characteristic of an acid according to the Arrhenius theory?
Which of the following is a characteristic of a Bronsted acid?
Which of the following is a characteristic of a Bronsted acid?
What is the color change observed when blue litmus paper is exposed to an acid?
What is the color change observed when blue litmus paper is exposed to an acid?
Which of the following statements about indicators is true?
Which of the following statements about indicators is true?
What is the role of OH- ions in a base according to the Arrhenius theory?
What is the role of OH- ions in a base according to the Arrhenius theory?
Why is the method of taste not recommended to identify acids and bases?
Why is the method of taste not recommended to identify acids and bases?
