Lab Safety
You should always wear this kind of shoe in lab
What is a closed toe shoe?
This piece of lab equipment is used to measure volume during a lab?
What is a graduated cylinder?
The number that we use to balance a chemical equation.
What is a coefficient?
An acid base indicator which is pink in alkaline solutions and colorless in acidic solutions
What is an phenolphthalein
Special type of animal based polymer frequently used in cooking to make marshmellows, puddings, and gummies!
What is collagen or gelatin?
Flammability and oxidation
What is a chemical property?
Name the two properties of matter
What are Physical and Chemical
Hot glassware looks the same a cold glassware so you should always ______________________?
What is pick up glassware with tongs or towel?
This piece of lab equipment is used to grind substances to a find powder.
What is a mortar and pestle?
What is H2O
Water
This common lab equipment is the used in this experiment to add and measure volume accurately in this experiment.
What is a buret?
Water is made of these two elements?
What is hydrogen and oxygen?
When acids and bases are mixed together in equal proportions the ---------- each other
What is Neutralize
The measure of acidity and alkalinity of a substance
What is PH
The emergency eye wash stations are used for this and should generally be used for how long?
What is to wash eyes out for 15 minutes?
Used to transfer small quantities of solid materials from one place to another?
What is a spatula or scoopula?
The elements can be found on the right side of the periodic table of the elements.
What are noble gasses?
This must be done before the initial filling of the buret
What is rinsing or priming the buret?
Only products that contain --------- can have a PH
What is Water
A product of a 4.5 PH is considered
What is Acidic
The chemical name for the compound with the formula KHCO3
What is potassium bicarbonate?
When testing for smell or odors you should do this?
What is wafting?
This piece of glassware shaped like a large contact lens is used to help evaporate liquids.
What is a watch glass?
The atomic number tells us this.
What is the number of protons?
This is how volume delivered during a titration is determined?
What is final volume - initial volume?
Pure water with a PH of seven is considered to be
What is Neutral
ice is an example of a
What is Solid
The significant figures of 0.0320
What is three?
Hair products have this chemical property that can be dangerous during lab with an open flame.
What is flammibility?
Used to avoid burning the surface of the lab bench when placing down hot materials
What is a ceramic square?
This is made when salt is dissolved in water
What is Solution
an atom of an element has 15 protons, 15 electrons and 16 neutrons has an atomic mass of
What is 31
A product with a PH of 8.9 would be
What is Alkaline
Are we using a burner in today's lab?
What is no
Curling hair with a curling iron would be considered what type of change
What is Physical
Sally Sue drops her test tube and it shatters. She tells the lab instructor who says they will dispose of the glass. The glass must be discarded here.
What is the broken glass container?
A cup shaped container capable of sustaining high temperatures when heating chemicals.
What is a crucible?
The mathematics of chemistry
What is Stoichiometry
The head of a surfactant molecule is ---------, meaning water loving
What is Hydrophilic
the chemical name for the compound with the formula Na2S
What is sodium sulfide
Neon and Argon are examples of
What are Noble gases?
Giving a client a perm would be considered what type of change
What is Chemical