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Which of these substances is a compound?
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
True or False: Phase Change is a CHEMICAL change.
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
A scientist waters plants different amounts and measures their growth. The growth is the
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
Which of the following represents a chemical change?
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
The two sides of a chemical equation are called
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
A scientist manipulates the light 3 plants receive, and then measures their growth. Light is
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
Which of the following statements does not apply to a compound?
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
In a covalently bonded molecule, the electrons between elements are
dependent variable
reactants and products
water
shared between the atoms.
it can be separated into components by physical methods
nail rusting
False
independent variable
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