1.3 Usage, Management and Handling of Apparatus and Materials

How do you store reactive chemicals such as sodium and potassium?

• Stored it in the dry place.

• Stored it in a large container.

• Stored it in paraffin oil and closed with the bottle.

• Stored it in the bottle and expose it to sunlight.

How do you store organic solvents?

• Stored it in a large container and placed it in shady areas.

• Stored it in a glass bottle and placed it in shady areas.

• Stored it in a dark bottle and placed it away from sunlight.

• Stored it in a metal bottle and placed it away from sunlight.

What do you understand by volatile liquid?

• It is a catalyst that can make the reaction faster.

• It will turn into a solution quickly at room temperature.

• It will boil quickly at room temperature.

• It will evaporate or vaporize quickly at room temperature.

How do you dispose of solid wastes?

• Solid waste should dissolve in acid and dispose into the sink.

• Solid waste should dissolve in alkaline and dispose into the sink.

• Solid waste can be disposed into special containers.

• Solid waste can be disposed into a plastic bag.

How do you dispose of strong acid and strong alkaline?

• Strong acid and alkali wastes can

  directly dispose into the sink.

• Strong acid and alkali wastes react with water first and dispose into the sink.

• Strong acid and alkali wastes should be kept in closed labelled plastic containers during disposal.

• Strong acid and alkali wastes should be kept in closed labelled metal containers during disposal.