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WorksheetsG7-Quiz Bee Elimination(Diversity of Materials)
Total questions: 20
Worksheet time: 10mins
A mixture where one substance dissolves in another is called:
a solution
pure
a suspension
solute
What is the pH scale?
A method for measuring the protons in a solution
A measurement of how acidic or basic a liquid is
A special microscope used to look at acids
None of the Above
In a solution, the substance that does the dissolving is the:
solute
solvent
suspension
mixture
A solution where so much solute has been added to the solvent so that no more can dissolve is:
concentrated
saturated
dilute
soluble
A liquid is considered an acid if it has a lot of __________.
Hydrogen ions
Helium ions
Positive ions
Negative ions
How do acids taste compared to bases?
Acids are sweet and bases are bitter
Acids are sour and bases are bitter
Acids are spicy and bases are sour
Acids are bitter and bases are sour
All acids turn blue litmus paper to____.
blue
red
green
yellow
Which of these metals is a liquid at room temperature?
Beryllium
Mercury
Lithium
Osmium
The ability of a metal to be drawn into wire is a measure of its:
Ductility
Malleability
Hardness
Strength
What type of substance is always made up of a single type of atom?
compound
molecule
mixture
element
Which of these substances is a compound?
chlorine
magnesium
salt
hydrogen
You are eating a pizza. What type of mixture are you consuming?
homogeneous
pure substance
heterogeneous
The Periodic Table
Compounds are different than elements because compounds are -
A combination of two or more elements.
made from the same type of atoms
not able to be broken down into parts
a pure substance, elements are not
According to the pH range which substance is more acidic than cola?
milk of magnesia
lye
stomach acid
cabbage
What is a solution that has an excess of hydroxide (OH-) ions?
pH=6.5
neutral
acid
base
Which statement best describes an element?
pure, made of only one thing
can be separated by physical means
made from mixture
consisting of two or more existing parts
The noble gases are a group of six substances with similar properties. They are odorless, colorless gases with low reactivity. They are group 18 on the periodic table. Each noble gas is a(n)
element
compound
mixture
solution
What two types of matter are pure substances?
mixtures and solutions
elements and compounds
solutions and compounds
compounds and mixtures
Kool aid is a solution containing kool aid powder dissolved in water. Which is the solute in this mixture?
water
Kool aid powder
sugar
all of the above
How would this element be classified?
Nonmetal
metal
metalloid
metamorphic
