w3+ ch3m15try t3chn1qu35 Quiz

Which of the following is a common wet chemistry technique used to determine the concentration of an acid or base?

• Spectroscopy

• Chromatography

• Titration

• Electrolysis

What type of titration uses a color indicator to determine the endpoint?

• Redox Titration

• Acid-Base Titration

• Gravimetric Titration

• Precipitation Titration

In gravimetric analysis, the substance being measured is usually separated by which process?

• Evaporation

• Distillation

• Precipitation

• Chromatography

What is the primary principle behind colorimetry?

• The reaction between an acid and a base

• The separation of compounds based on their boiling points

• The interaction of a substance with light to measure its concentration

• The formation of precipitates in solution

Which of the following techniques is commonly used to separate a mixture of liquids based on differences in boiling points?

• Distillation

• Filtration

• Precipitation

• Extraction

What is the primary purpose of complexometric titration?

• To determine the amount of organic compounds in food

• To measure the hardness of water and metal ion concentration

• To separate liquid mixtures based on boiling points

• To determine the concentration of an unknown acid or base

In liquid-liquid extraction, which property is most important for separating two substances?

• Molecular weight

• Conductivity

• Color change

• Solubility in different immiscible liquids

Which of the following is a disadvantage of wet chemistry methods?

• Requires expensive instruments

• Cannot detect pH changes

• Can be time-consuming and prone to human error

• Cannot analyze chemical compounds

What is the purpose of filtration in wet chemistry?

• To determine the concentration of dissolved metals

• To separate solid particles from a liquid

• To neutralize acids and bases

• To increase the temperature of a solution

What is the main application of spectrophotometry in wet chemistry?

• Measuring the absorption of light to determine the concentration of a substance

• Separating compounds based on their solubility

• Determining the boiling points of liquids

• Detecting changes in temperature