Acids and Bases Quiz

What are the two main categories of acids based on their chemical composition?

• Organic acids and inorganic acids

• Strong acids and weak acids

• Binary acids and oxyacids

• Monoprotic acids and polyprotic acids

How do you name a binary acid?

• Start with 'Hydro', add the root of the anion, and end with 'ic'

• Use the name of the metal followed by 'acid'

• Use the name of the anion followed by 'hydro'

• Start with the name of the anion and end with 'ous'

Which of the following is an example of a binary acid?

• HNO3

• H2SO4

• HCl

• H2CO3

What is the rule for naming an oxyacid when the polyatomic ion ends in '-ate'?

• Add 'hydro' at the beginning

• Change '-ate' to '-ic'

• Change '-ate' to '-ide'

• Change '-ate' to '-ous'

What is the name of the acid H2SO4?

• Hydrosulfuric acid

• Sulfurous acid

• Sulfuric acid

• Sulfuride acid

What is the purpose of litmus paper in acid-base chemistry?

• To indicate whether a substance is an acid or a base

• To determine the concentration of a solution

• To measure the pH level

• To identify the presence of oxygen in a compound

What color change occurs when a base is tested with red litmus paper?

• No color change

• Red to blue

• Blue to red

• Red to green

What is a natural indicator mentioned in the video?

• Beetroot juice

• Red cabbage juice

• Turmeric

• Carrot juice

How is red cabbage juice prepared for use as an indicator?

• By blending and straining the cabbage

• By drying and grinding the cabbage

• By boiling cabbage pieces in water and cooling the solution

• By mixing cabbage with vinegar

What should you do if a substance does not change the color of red litmus paper?

• Test it with blue litmus paper

• Assume it is neutral

• Test it with a pH meter

• Add more of the substance