When you first light a bunsen burner, the flame should be:

Non existent. You shouldn't be using a bunsen burner to light things in the lab

Wraps around a test tube to cool it down

First steps to using a bunsen burner:

Place on heat proof mat, connect gas hose to a gas tap and make sure the air hole is closed

Place on heat proof mat, connect gas hose to a gas tap and make sure the air hole is open

Place on heat proof mat, connect gas hose to a gas tap and light the bunsen burner

Place on the bench, connect gas hose to a gas tap and make sure the air hole is open

Which of the following is the correct procedure to light up a Bunsen burner?

Step 1: turn the collar and close the air hole Step 2: turn on the gas tap Step 3: use the lighter to light up the Bunsen burner

Step 1: turn the collar and open the air hole Step 2: turn on the gas tap Step 3: use the lighter to light up the Bunsen burner

Step 1: turn on the gas tap Step 2: turn the collar and close the air hole Step 3: use the lighter to light up the Bunsen burner

The natural gas can only mix with air at the mouth of the chimney and as a result an incomplete combustion occurs, this happens:

when the air hole is fully closed.

when the air hole is half closed.

when the air hole is fully opened.

The air is drawn into the chimney, where it mixes with the natural gas and it ensures complete combustion, this happens:

when the air hole is fully opened.

when the air hole is fully closed.

when the air hole is half opened.

Your bunsen burner with a safety flame is knocked over, what do you do?

Turn off the gas at the gas tap, then let your teacher know

Place it back on the heatproof mat, it is only on safety flame so this is safe to do.

Turn off the gas at the gas tap, pick up the bunsen burner by the barrel and place it back on the mat

Panic, don't do anything because you're a bit scared you'll get into trouble

When lighting a bunsen burner, the

collar must be shut, closing the air holes

collar must be open, opening the air holes

collar must be half open, slightly opening the air holes

it doesn't matter what position the collar is in

You are trying to turn off a bunsen burner but it won't turn off. What do you do?

Let your teacher know immediately

Leave it unattended on safety flame

Hit the Emergency Stop valve that shuts off the gas before anyone gets hurt

Remove the hose from the gas tap as this will turn off the bunsen burner

When heating a test tube over a bunsen burner, it should be

held at an angle away from you as that is safer, moving it around slightly to ensure it doesn't boil over

held pointing straight up to ensure it heats up evenly and not moving it around

held at an angle toward you so you can see in, moving it around slightly to ensure it doesn't overheat

held at an angle away from you as that is safer, and not moving

You have finished mixing some chemicals for a practical, what should be done with them?

Ask your teacher, they will need to be disposed of safely

all poured in together into a large conical flask for easier

left on the bench for someone else to clean up for you

(Select all the right answers). The lab can be a busy and noisy place with lots of people. You should always:

Be mindful of others around you

Use your inside voice, no yelling

Be patient when sharing equipment. Too many scientists spoils the experiment!

When finished with an experiment,

you and your lab partner are to clean up all used materials and put equipment back where it belongs

leave everything out, its not your job to clean up

put away half of your equipment, some is better than none right?

Let your lab partner do all the cleaning up by themselves, they can handle it

What is a gauze mat used for?

supports a beaker while it's heating AND spreads heat evenly

frisbee in the lab when you are bored

supports a beaker while it's heating

What is a measuring cylinder used for?

Accurately measures volumes of chemicals

Accurately measures weight of chemicals

A suitable container to mix chemicals in

A suitable drinking cup when you don't have a drink bottle

Which statement is correct?

The barrel controls the flow of oxygen and the gas control valve controls the flow of methane

The barrel controls the flow of methane and the gas control valve controls the flow of oxygen

The barrel controls the flow of oxygen and the gas control valve controls the flow of air

The barrel controls the flow of natural gas and the gas control valve controls the flow of methane

Which is a violation of safety?

Put away paper like notebooks and paper towels at the lab station

wear protective goggles and gloves

Bunsen Burners

Authored by John Rodgers

Chemistry

12th Grade

NGSS covered

Used 44+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who invented the Bunsen Burner?

Albert Einstein

Robert Bunsen

George Burner

Charles Darwin

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the Bunsen flame is the hottest?

The gas should be turned on ____________ lighting the match.

Before

After

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When is it OK to eat or drink in the lab?

Always

Never

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you break glassware in the lab, you should...

Tell the teacher

Clean it up quickly before the teacher notices

Scream at the top of your lungs

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Before leaving the lab you should always wash your hands.

True

False

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do you call the part of the burner that "twists" ?

Base

Collar

Cylinder

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Bunsen Burners

Who invented the Bunsen Burner?

Which part of the Bunsen flame is the hottest?

The gas should be turned on ____________ lighting the match.

When is it OK to eat or drink in the lab?

If you break glassware in the lab, you should...

Before leaving the lab you should always wash your hands.

What do you call the part of the burner that "twists" ?

Goggles must be worn when using or working with a Bunsen Burner

To produce the most heat, you should twist the collar until you see ______

A possible explanation for a set of observations or answer to a scientific question is called a(n)

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