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Match it!
Match it! Select the correct answer from the pull down...Good luck!
H20 is an example of a _________.
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
What elements are present in the compound methane (NH4)?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
A substance has several different atoms of several different elements that can be easily separated. What is being described?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
Which of the following properties is not a physical property?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
During a chemical reaction, heat is given off. What type of reaction occurs?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
Which equation below correctly shows the law of conservation of mass?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
Which of the following is not evidence of a chemical change?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
To produce salt, sodium (Na) and chlorine (Cl) are chemically combine to form NaCl. Which of the following best describes Na and Cl?
Nitrogen and Hydrogen
flammbility
Exothermic
chemical formula
Element
melting point of a element
C3H8 + 5O2 --- 4H2O + 3CO2
Mixture
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