MATERIAL DE LABORATORIO

Open Ended

Explain the difference between 'material inventariable' and 'material fungible' in laboratory settings.

Multiple Choice

What is the primary use of borosilicate glass in the laboratory?

• High thermal resistance

• Low cost

• Single-use

• Chemical reactivity

Multiple Choice

What are the two main categories of laboratory materials mentioned in the text?

• Inventariable

• Fungible

• Disposable

• Reusable

Multiple Choice

What is the primary use of plastic materials in laboratories?

• For chemical reactions

• For microbiology and molecular biology

• For glassware replacement

• For heating solutions

Multiple Choice

What are the disadvantages of using glass materials in laboratories?

• Fragile against impacts

• Can break due to thermal shock

• Requires careful handling

• All of the above

Multiple Choice

What are the advantages of using glass materials in laboratory settings?

• Resistant to most chemical reagents

• Transparent for observing reactions

• Easy to sterilize

• All of the above

Open Ended

What are the main characteristics of Polipropileno (PP) as mentioned in the table?

Multiple Choice

Which type of plastic is described as flexible and resistant to high temperatures?

• Poliestireno (PS)

• Polipropileno (PP)

• Silicona (SI)

• Polietileno (PE)

Multiple Choice

What are the maximum temperature limits for the different types of plastics listed in the table?

• 70 °C for PS

• 80 °C for PVC

• 135 °C for PP

• 180 °C for SI

Open Ended

List the main uses of porcelain in laboratories.

Multiple Choice

What is the primary use of porcelain in laboratory settings?

• For low-temperature experiments

• For high-temperature applications

• For measuring liquids

• For disposable materials

Multiple Choice

What are the disadvantages of using plastic materials in laboratories?

• They can react with some solvents

• They are very resistant to high temperatures

• They are ideal for laboratory use

• They are not lightweight

Multiple Choice

What are the advantages of using plastic materials in laboratory settings?

• They are fragile

• They are heavy

• They are ideal for disposable materials

• They are expensive

Multiple Choice

What are the characteristics of calibrated volumetric flasks?

• They have a single calibration mark

• They are used for approximate measurements

• They have a wide neck

• They are made of metal

Open Ended

What is the difference in precision between graduated and non-graduated cylinders?

Multiple Choice

What is the primary use of graduated cylinders?

• Measuring exact volumes

• Preparing solutions

• Measuring approximate volumes

• Transferring variable volumes

Multiple Choice

What are the characteristics of graduated cylinders used for measuring volumes?

• Medium precision

• Less precise than beakers

• Available in glass and plastic

• Used for exact volume transfer

Multiple Choice

What are the types of mortars and pestles mentioned?

• Wooden and plastic

• Porcelain and glass

• Metal and ceramic

• Porcelain and everyday utensils

Multiple Choice

What is the function of a funnel in laboratory settings?

• To mix solids

• To separate liquids

• To transfer liquids or solids without spilling

• To crush solids

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