Rubber Policeman Chemistry Flashcards and Quiz

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Questions and Answers

What is a graduated cylinder used for?

Measuring a fairly accurate volume of liquids (correct)

Holding solid items

Heating substances

Measuring temperature

What is a buret used for?

Measuring precisely how much liquid is needed in titrations.

What is the purpose of a ring stand?

To hold items being heated above the lab table.

Test tubes are used for what?

Small scale experiments or chemical reactions. Signup and view all the answers

What are glass stirring rods used for?

To stir or mix chemicals. Signup and view all the answers

What is a rubber policeman used for?

As a spatula to scrape out contents of a beaker. Signup and view all the answers

Utility clamps are used to do what?

Hold numerous items during experiments. Signup and view all the answers

What is the function of an evaporating dish?

To heat and evaporate liquids. Signup and view all the answers

What do burners do in a lab setting?

Heat and expose items to flame. Signup and view all the answers

What is the use of a mortar and pestle?

To crush solids into powders for better dissolution. Signup and view all the answers

What purpose do beaker tongs serve?

To pick up hot beakers. Signup and view all the answers

What is a clay triangle used for?

Holding a crucible for heating to extreme temperatures. Signup and view all the answers

What is the purpose of a watch glass?

As a lid for the evaporating dish or beaker, and for holding solids. Signup and view all the answers

What type of container is a beaker?

A multipurpose container and reaction vessel. Signup and view all the answers

What are Erlenmeyer flasks used for?

Heating and storing liquids, with a wider bottom for quicker heating. Signup and view all the answers

What is a volumetric flask used for?

Measuring one specific volume accurately. Signup and view all the answers

What is the function of a crucible and cover?

To heat small quantities of solids to very high temperatures. Signup and view all the answers

What do crucible tongs do?

Handle crucibles. Signup and view all the answers

What is the purpose of a wash bottle?

To dispense small amounts of distilled water. Signup and view all the answers

What does a funnel do?

Targets liquids into any container to prevent spills. Signup and view all the answers

What are disposable pipets used for?

Dispensing small amounts of liquids drop by drop. Signup and view all the answers

What does wire gauze do?

Holds items on a ring stand and indicates hot items. Signup and view all the answers

What is a scoopula used for?

Moving small amounts of solid from place to place. Signup and view all the answers

What does a test tube clamp do?

Handles a test tube. Signup and view all the answers

What are forceps used for?

Handling small items. Signup and view all the answers

What does a test tube brush do?

Cleans the test tube. Signup and view all the answers

What is a well plate used for?

Microscale experiments or small chemical reactions. Signup and view all the answers

What is a glass marking pencil used for?

Marking glassware easily and removably. Signup and view all the answers

What are goggles used for in the lab?

Protecting the eyes when using heat, chemicals, or glassware. Signup and view all the answers

What is a pinch clamp used for?

Closing rubber tubing. Signup and view all the answers

What is a ring clamp used for?

Holding up a beaker along with a ring stand and wire gauze. Signup and view all the answers

What is a striker used for?

Lighting a Bunsen burner. Signup and view all the answers

What is the role of a test tube rack?

Holding several test tubes with chemicals in them. Signup and view all the answers

What is the purpose of weigh boats?

Weighing quantities of chemicals on a balance. Signup and view all the answers

Study Notes

Lab Equipment Overview

Graduated cylinder measures liquid volumes with moderate accuracy.
Buret enables precise measurement during titrations, integral for achieving exact chemical reactions.
Ring stand supports various apparatus for heating, allowing items to be elevated above surfaces.
Test tubes facilitate small-scale chemical experiments and reactions.

Mixing and Heating Tools

Glass stirring rod combines or mixes chemical solutions efficiently.
Rubber policeman acts as a spatula for scraping contents from beakers.
Utility clamp secures various items in place during experiments.
Evaporating dish is used for heating liquids until evaporation occurs.

Heating Sources

Burner provides flame for heating substances and conducting reactions.
Mortar and pestle crush solids into fine powders for easier dissolution.
Beaker tongs safely handle hot beakers to prevent burns.

Specialized Heating Tools

Clay triangle supports crucibles for high-temperature heating.
Watch glass serves as a lid for evaporating dishes and can hold solids for weighing.
Erlenmeyer flask is a versatile vessel for heating, storing liquids, and mixing due to its unique shape.

Precision Measurement and Handling

Volumetric flask accurately measures a specific liquid volume, similar in precision to graduated cylinders.
Crucible and cover enable heating of small solids at elevated temperatures.
Crucible tongs specifically designed for handling hot crucibles without direct contact.

Dispensing and Directing Liquids

Wash bottle dispenses small amounts of distilled water for rinsing or hydration.
Funnel directs liquids into containers with minimal spillage for precision in pouring.
Disposable pipets allow for drop-by-drop liquid dispensing; convenient and single-use.

Safety and Maintenance Equipment

Wire gauze supports items atop a ring stand while also indicating potential heat hazards.
Scoopula moves small solid amounts efficiently without the risk of contamination.
Test tube clamp specifically designed for safely handling test tubes during experiments.

General Purpose Tools

Forceps manage small objects or hazardous materials without direct contact.
Test tube brush cleans and maintains cleanliness of test tubes for repeated use.
Well plate accommodates microscale experiments, featuring multiple wells for various reactions.

Marking and Safety Equipment

Glass marking pencil allows for temporary labeling on glassware, easily erasable.
Goggles are mandatory for eye protection when handling heat, chemicals, or glassware.
Pinch clamp secures rubber tubing to control fluid flow during experiments.

Support and Structural Equipment

Ring clamp fastens beakers or other containers to a ring stand for stability during heating.
Striker is a tool used to ignite a Bunsen burner safely and effectively.
Test tube rack holds multiple test tubes upright, ensuring they do not tip over during analysis.

Weighing Tools

Weigh boats provide a clean surface for weighing out chemicals on a balance, minimizing contamination.

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Description

Test your knowledge of essential chemistry lab equipment with these flashcards! Each card presents a term along with its definition, helping you understand their functions and uses in the laboratory. Ideal for students looking to refresh their understanding of chemistry tools.

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