Quiz On Test Tube Rack (16mm and 12mm)

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

What is the main purpose of a test tube rack?

a) To heat chemicals

b) To hold test tubes upright

c) To mix chemicals

d) To measure liquids

Correct! Wrong!

What should you do before placing a hot test tube in a rack?

a) Shake it

b) Throw it away

c) Let it cool or use a heat-safe rack

d) Fill it with water

Correct! Wrong!

Why do some racks have different-sized holes?

a) For decoration

b) To hold different sizes of test tubes

c) To make them heavier

d) To store water

Correct! Wrong!

What happens if you don’t use a test tube rack?

a) Nothing changes

b) The tubes may roll and break

c) The tubes grow bigger

d) The experiment finishes faster

Correct! Wrong!

What material are many test tube racks made from?

a) Paper

b) Plastic or polypropylene

c) Cotton

d) Glass

Correct! Wrong!

Why are test tube racks important in science experiments?

a) They make the tubes colourful

b) They keep tubes from falling or breaking

c) They change the chemicals

d) They cool the test tubes

Correct! Wrong!

What do the numbers 16 mm and 12 mm refer to?

a) The length of the rack

b) The weight of the rack

c) The diameter of the test tubes

d) The colour of the rack

Correct! Wrong!

Where are test tube racks commonly used?

a) Kitchens

b) Science labs and classrooms

c) Playgrounds

d) Libraries

Correct! Wrong!

Quiz On Test Tube Rack (16mm and 12mm)

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What is the main purpose of a test tube rack?

What should you do before placing a hot test tube in a rack?

Why do some racks have different-sized holes?

What happens if you don’t use a test tube rack?

What material are many test tube racks made from?

Why are test tube racks important in science experiments?

What do the numbers 16 mm and 12 mm refer to?

Where are test tube racks commonly used?

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What is the main purpose of a test tube rack?

What should you do before placing a hot test tube in a rack?

Why do some racks have different-sized holes?

What happens if you don’t use a test tube rack?

What material are many test tube racks made from?

Why are test tube racks important in science experiments?

What do the numbers 16 mm and 12 mm refer to?

Where are test tube racks commonly used?

Quick Links

Important Links

Contact Us

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