Chemistry Part II Question Preview (ID: 16137)


Acids Bases PH Physical Change Chemical Change Conservation Of Mass. TEACHERS: click here for quick copy question ID numbers.

Ice melting
a) Physical change
b) Chemical change
c)
d)

Change in state or phase
a) physical change
b) chemical change
c)
d)

Baking bread
a) physical change
b) chemical change
c)
d)

Combustion
a) physical change
b) chemical change
c)
d)

Matter is not created or destroyed in any physical or chemical change
a) law of superposition
b) theory of relativity
c) law of conservation of mass
d) Bernouilli's law

Who is credited with coming up with the law of conservation of mass
a) Cartier
b) Einstein
c) Newton
d) Lavoisier

This type of energy is the total energy of the motion of all of the particles
a) chemical
b) thermal
c) potential
d) endothermic

This type of energy is stored in the bonds between atoms
a) chemical
b) thermal
c) potential
d) endothermic

This type of chnage releases energy. Combustion is an example
a) endothermic
b) exothermic
c)
d)

Substances that undergo chemical change are called
a) reactants
b) products
c) subscripts
d) coefficients

New substances created by chemical reactions are called
a) reactants
b) products
c) subscripts
d) coefficients

Which is NOT evidence of a chemical change
a) gas production
b) formation of a precipitate
c) change in size
d) color change

this is a solid that sometimes forms from the mixing of liquidsi
a) gas
b) precipitate
c) emulsion
d)

True or False.... All of the atoms present at the start of a reaction must be present at the end
a) true
b) false
c)
d)

This type of system does not allow matter to enter or leave. A jar over our burning candle is an example.
a) open
b) closed
c)
d)

Which is NOT true of acids
a) turns litmus paper blue
b) taste sour
c) react with metals and carbonates
d) are corrosive

Which is NOT true of bases
a) feel slippery
b) react with metals
c) taste bitter
d) turn litmus paper blue

This is a substance that will change color when it comes in contact with an acid or a base
a) Colloid
b) Precipitate
c) Indicator
d) pH

The products of neutralization are
a) acids and bases
b) salt and water
c) ben and jerry
d) soap and ammonia

This value is neutral on the pH scale
a) less than 7
b) equal to 7
c) more than 7
d)

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