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Experiment No. 2: Triple Beam Balance and Measurement Tray

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Experiment No. 2: Triple Beam Balance and Measurement Tray

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Questions and Answers

What is the function of the measurement tray on a triple beam balance?

To zero out and level the balance
To adjust the balance for accurate measurements
To label the riders with number increments
To hold the item(s) that are being measured (correct)

What is the function of the rider beams on a triple beam balance?

To zero out and level the balance
To hold the riders and label them with number increments (correct)
To moveable weights
To hold the item(s) that are being measured

What is the function of the adjustment knob on a triple beam balance?

To moveable weights
To label the riders with number increments
To hold the item(s) that are being measured
To zero out and level the balance to make accurate measurements (correct)

What is the function of the pointer on a triple beam balance?

When pointer and 0 are level, the mass measurement is accurate (C) Signup and view all the answers

What is the function of the riders on a triple beam balance?

To moveable weights (B) Signup and view all the answers

What should you consider when reading a graduated cylinder?

The curve at the edges of the liquid (C) Signup and view all the answers

What is the unit for measuring the density of a solid?

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

Which type of pipet is graduated to deliver a specific volume accurately?

Volumetric pipet (D) Signup and view all the answers

What is the process for separating the liquid component of a solid-liquid mixture from the solid by pouring?

Decantation (B) Signup and view all the answers

What is the term for the solid remaining in the filter paper after filtration?

Residue (C) Signup and view all the answers

What is the best method for separating a soluble solid from a solution?

Evaporation (D) Signup and view all the answers

What does a serological pipet allow to happen to all the measured liquid in the pipet?

Exit (B) Signup and view all the answers

What does the total volume of a solution in a pipet depend on when reading the volume?

Total volume of the solution (C) Signup and view all the answers

How does temperature affect density?

It increases density. (D) Signup and view all the answers

What are gas, liquid, and solid in terms of their relative densities?

Gas is less dense than both solid and liquid. (D) Signup and view all the answers

What is the unit for measuring the density of a liquid substance?

g/mL (B) Signup and view all the answers