12 Questions
What type of material is a base?
Material that reacts with an acid to produce water and salt
Which type of mixture does not settle on standing due to the very small size of its particles?
Colloid
What is the defining characteristic of an acid?
Turns blue litmus red
In the context of acids and bases, what does it mean for a compound to be ionisable?
It dissociates into ions when dissolved in water
Which type of compound does not dissociate into ions in solution?
Covalent compounds
What is the role of bases in household cleansers?
To remove oil from windows and floors
What is the main characteristic of an acid according to the Arrhenius theory?
Donates H+ ions
Which of the following is a characteristic of a Bronsted acid?
Accepts H+ ions
What is the color change observed when blue litmus paper is exposed to an acid?
Blue to red
Which of the following statements about indicators is true?
Methyl orange turns orange in basic solutions
What is the role of OH- ions in a base according to the Arrhenius theory?
Donates OH- ions
Why is the method of taste not recommended to identify acids and bases?
Tasting chemicals can be dangerous or corrosive
Explore the fundamental concepts of acids, bases, and salts in chemistry. Learn how salts are formed when hydrogen ions are replaced by metals or ammonium ions in acids, and how bases react with acids to produce water and salt. Discover the common applications of bases in household cleansers and other products.
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