safety data sheets
what did the safety data sheet (sds) replace?
the material safety data sheet (msds)
any substance that occupies space and has weight is ____.
matter
the letter H stands for the element :
hydrogen
what is a solute?
a substance that is dissolved in a solution
a ____ is capable of igniting and burning.
combustible
safety data sheets are designed for :
use in an emergency
everything you can touch and everything you can see is matter except :
light and electricity
which of the following is an example of a pure substance?
salt
what is a solvent?
a substance that dissolves a solute and makes a solution
what does an oxidizing agent do?
releases oxygen
an sds is formatted into _____ categories.
16
what is the simplest form of chemical matter?
an element
what was the first surfactant?
soap
true or false? : solutions are stable mixtures.
true
what does a reducing agent do?
adds hydrogen to a chemical compound
how many accepted pictograms are included in all sds?
what is the basic unit of matter?
atoms
what is the pH scale is used to measure?
acidity and alkalinity
when immiscible liquids are combined, they form _____.
suspensions
all acids owe their chemical reactivity to :
the hydrogen ion
in the uniform order of sds, which of the following comes immediately after the first category of "identification"
hazard identification
how many elements are known to science today?
118
what is pH is an abbreviation of?
potential hydrogen
when salt is dissolved into water, salt is the ____.
solute
if you were to leave the freezer open all night, all of the ice will melt. this is a result of _____.
an endothermic reaction