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21 questions
Which is a chemical property?
smell
reacts with acid
physical appearance
hardness
Texture: Chemical or Physical Property
Chemical Property
Physical Property
Density, solubility, color, texture, state of matter, boiling point, etc.
Physical properties
Chemical properties
Color is what type of property?
Physical
Chemical
Reactivity is what type of property?
Physical
Chemical
What is a sign of a chemical change? Select 2 answers.
Stretching
Chopping
Color change
Bubbles
What happens when sugar dissolves in water?
Physical change because a new substance is formed
Chemical change because a new substance is formed
Physical change because the sugar is just getting smaller
Chemical change because the sugar is just getting smaller
Moldy Bread
Physical Change
Chemical Change
Which of the following are examples of a physical change? Select 2 answers.
paper ripping
wood burning
gold melting into a liquid
bubbles forming
True or False: Using the physical and chemical properties of a substance can help identify the substance.
True
False
Any characteristic of matter that you can observe without changing the identity of the substances that make it up is a ___________
great force
physical property
chemical property
state of matter
Will these 2 substances have the exact same properties?
Yes, because they are both made up of chlorine
Yes, because they are both made up of 2 atoms
No, because they have the same number of atoms
No, because they are made up of different types of atoms
How is a chemical change different from a physical change?
there is no difference
a physical change creates a new substance
a chemical change creates a new substance
Diamonds and graphite are both made up of only carbon atoms, will they have the same properties?
Yes, because they are both made up of the same type of atoms
Yes, because the molecular structure of both are exactly the same.
No, because the way the carbon atoms are arranged and bonded to each other are different
No, because they are made up of the same type and number of atoms.
Are these 2 molecules the same substance?
Yes, because they are both made up of the same atoms (carbon and oxygen)
Yes, because they don't need to have the same exact number of atoms to be the same substance
No, because they are made up of different types of atoms
No, because they do not have the same number of oxygen atoms
True or False: The same substance can have different properties.
True
False
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