Crowdly

Add to Chrome

Universities
mymodules.dtls.unisa.ac.za
CHE1503-25-Y

CHE1503-25-Y

Looking for CHE1503-25-Y test answers and solutions? Browse our comprehensive collection of verified answers for CHE1503-25-Y at mymodules.dtls.unisa.ac.za.

Get instant access to accurate answers and detailed explanations for your course questions. Our community-driven platform helps students succeed!

If you accidently mix the wrong chemicals, you must:

Repeat the experiment one more time.

Immediately dispose of the mixture down the sink.

Share your neighbour’s experimental results.

Add an acid to neutralize it.

Report it to the instructor.

View this question

On the last day the lab experiment will end at:

When you are done you can leave.

The last day is a paper not an experiment.

None of the other options are correct.

At 5pm, like always.

View this question

In lab, to avoid bumping into other students, you should:

Take one step forward before you back up.

Always move exactly when and where you want.

Look behind you before you back up.

Step backward, only if instructed to do so.

Never step backward.

View this question

Which of the following behaviours demonstrates proper laboratory etiquette?

Eating snacks while conducting experiments to stay energized.

Snapping photos during the lab.

Sharing personal electronic devices with colleagues during work hours.

Using humour to distract colleagues during experiments.

Labelling and properly storing all personal belongings in designated areas.

View this question

You may do an unassigned experiment, only:

If you have found it on the internet.

None of the other options.

If you have designed it carefully yourself.

If you are finished early in lab.

If you are sure, it is safe.

View this question

When in the laboratory, I need to keep my bag:

I am not allowed to bring a bag

Outside the lab where there is nobody

Underneath the bench so nobody can trip over the bag

On the desk with me but make sure not the get chemicals on it

In the corridor between the benched

View this question

Why is it important to review laboratory safety protocols before starting work?

To finish early.

To avoid needing to use safety equipment.

Because I have questions in the pre-lab and lab report about safety so knowing it will help me.

To impress other students.

To understand potential hazards and safety practices.

View this question

If you are pregnant or have a medical condition:

Bring comfortable shoes to wear.

Check with your instructor prior to working in lab.

Wear loose clothes so you can move freely.

None of the other options.

Do not hesitate to work in the lab since it is well sterilized.

View this question

All chemicals are considered dangerous but a

Hazard symbol of this kind indicates that you should store the chemical

separately in case of fire.

View this question

Why is it essential to inform someone of your whereabouts when working in a laboratory?

To ensure safety and accountability.

To make new friends.

To ensure that if something happens, that people know you were in the lab.

To avoid unnecessary delays.

To avoid keeping secrets.

View this question

Previous
1
2
3
4
5
Next

Want instant access to all verified answers on mymodules.dtls.unisa.ac.za?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Add to Chrome

Telegram Instagram TikTok Question Bank

Terms of Use Contact Us