ZOT MOCK EXAM 1.0

Which method is used to separate salts that decompose upon heating from their solutions?

• A) Decantation

• B) Crystallization

• C) Fractional Crystallization

• D) Precipitation

What is the process of carefully pouring out a liquid while leaving solid impurities at the bottom of the container called?

• A) Filtration

• B) Decantation

• C) Crystallization

• D) Precipitation

Which method is commonly used to separate dyes in colored ink?

• A) Crystallization

• B) Chromatography

• C) Decantation

• D) Precipitation

Which type of chromatography involves the use of a gas as the mobile phase?

• A) Paper Chromatography

• B) Column Chromatography

• C) Gas Chromatography

• D) Ion Exchange Chromatography

What is the term for the solid left behind during decantation?

• A) Sediment

• B) Precipitate

• C) Residue

• D) Filtrate