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Lab Equipment and Safety

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Questions and Answers

What is the primary function of a double buret clamp?

To stabilize flasks and beakers
To support up to two burets (correct)
To mix chemicals in a laboratory
To hold a single test tube

What is the purpose of a test tube rack?

To support flasks and beakers
To hold test tubes upside down to dry (correct)
To mix chemicals in a laboratory
To measure the volume of a liquid

What is the primary function of a funnel?

To pour liquids into narrow-mouth containers (correct)
To hold a test tube
To measure the volume of a liquid
To mix chemicals in a laboratory

What is the material used to make test tubes?

A type of glass (such as Pyrex®) (A) Signup and view all the answers

What is the purpose of a test tube brush?

To clean test tubes and narrow-mouth laboratory glassware (A) Signup and view all the answers

What is the function of a ring stand?

To support laboratory apparatus with rings and clamps (D) Signup and view all the answers

What is the primary function of goggles in a laboratory setting?

To protect eyes from chemical splashes and spills (B) Signup and view all the answers

What is the purpose of an apron in a laboratory setting?

To protect clothing from chemical spills (D) Signup and view all the answers

What is the unit of measurement for density?

g/mL or g/cm3 (D) Signup and view all the answers

What is the formula for calculating density?

Mass / Volume (C) Signup and view all the answers

What is the classification of a mixture that has the same composition throughout?

Homogeneous mixture (C) Signup and view all the answers

What is the definition of matter?

Anything that has mass and takes up space (B) Signup and view all the answers

What is the level of precision that most analytical balances provided by AL Science in Motion can achieve?

To 4 decimal places (0.0001g) (D) Signup and view all the answers

What is the primary function of forceps in a laboratory setting?

To grasp and hold small objects (A) Signup and view all the answers

What is the primary purpose of a well plate?

To hold small objects or substances in separate compartments (C) Signup and view all the answers

What is the main difference between top-loading balances and analytical balances?

Analytical balances are more sensitive to vibrations and air flow (B) Signup and view all the answers

What is the primary function of a thermometer?

To measure the temperature of substances (A) Signup and view all the answers

What is the primary function of a ruler in a laboratory setting?

To measure the length of objects or distances (D) Signup and view all the answers

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