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What the solid formed when two or more liquids are mixed together?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
Which of the following is a compound?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
What type of changes DO NOT change the identity of the substance?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
Which of the following is an element?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
Which of the following is NOT a rule for recognizing a CHEMICAL change?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
What changes the identity of substances (when mixed together)?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
What is the chemical formula for salt?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
Which of the following is NOT a rule for recognizing a PHYSICAL change?
precipitate
chemical change
NaCl (all numbers should be subscripts)
carbon dioxide
change in state of matter
oxygen
physical change
color change
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