LBC Chap. 1 Quiz Bank

Which one statement list the two things should you do in the case of a chemical spill on your skin or clothing?

• wipe it off, remove clothing

• rinse with plenty of water, tell the teacher

• wipe it off, rinse with plenty of water

• sit quietly, wipe it off

What is the piece of lab equipment shown below would be used to transfer a small amount of liquid from one container to another?

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Which of the following descriptions best describes matter?

• Matter can always be seen, but sometimes it cannot be heard.

• Matter is anything that has both mass and volume.

• Matter is the ability to do work or make reactions happen.

• Ideas and energy are matter, but they do not have mass.

Which statement is not an appropriate lab safety rule?

• Wear protective glasses or safety goggles for all laboratory work.

• Check chemical labels twice to make sure you have the correct substance.

• Report any laboratory accident, no matter how small, to your teacher immediately.

• Make sure to put used chemicals back in their original bottles.

Which of these pieces of lab equipment would be the worst choice to use if you use to measure the volume of a liquid most accurately?

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What is the correct reading for the volume of water in the graduated cylinder to the nearest whole number?

You can click on the picture to make it bigger if you need to.

Mathematical Equivalence

ON

What is the correct reading for the volume of water in the graduated cylinder to the nearest whole number?

You can click on the picture to make it bigger if you need to.

Mathematical Equivalence

ON

What is the correct reading for the volume of water in the graduated cylinder to the nearest whole number?

You can click on the picture to make it bigger if you need to.

Mathematical Equivalence

ON

The relationship between the mass m of a material, its volume V, and its density D is

• D = mV.

• D = V/m.

• D = m/V.

• D = m + v.

What is the density of 37.72 g of material whose volume is 6.80 cm³?

Round your answer to the nearest hundredth (2 decimal places)

Do not include units in your answer.

Mathematical Equivalence

ON