A substance that is dissolved in another substance is called __?
A. solution
B. solute
C. solvent
D. compound
A compound is a molecule that contains at least two different elements. Each of the following substances in the list is molecules. Which of the following is NOT a compound?
A substance that is dissolved in another substance is called __?
A. solution
B. solute
C. solvent
D. compound
A compound is a molecule that contains at least two different elements. Each of the following substances in the list is molecules. Which of the following is NOT a compound?
A. Carbon Dioxide
B. Water
C. Hydrogen
D. Methane
Which of the following is an example of a homogeneous mixture?
A. salt
B. water
C. sugar
D. a saline solution
What is meant by a term element?
A. A substance made up of many different types of atoms
B. A substance made up of more than one type of atom
C. A substance containing different elements not chemically combined
D. A substance made up of only one type of atom.
How are mixtures and solutions different from each other?
A. There is no difference.
B. Once combined chemically the other combines electronically
C. They have more than one element in them
D. The mixture may be combined physically while solution cannot easily be separated
Which of the following contains a variety of elements and compounds that are not chemically combined?
A. Water
B. Elements
C. Mixture
D. Compounds
Which of the following elements is used in party balloons?
A. Helium
B. Neon
C. Nitrogen
D. Oxygen
What is meant by the term compound?
A. A substance made up of two or more different types of atoms mixed but not chemically combined
B. A substance made up of two or more different types of atoms chemically combined.
C. A substance made up of only one type of atom.
D. A substance that cannot be split up into simpler substances by chemical means.
Which of these is an example of a pure substance?
A. bread
B. table salt
C. Garden soil
D. Sea water
Which of the following represents an element?
A. Carbon Dioxide
B. Water
C. Hydrogen
D. Methane
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Answer:
A.B.D.C.A.B.D.C.D.A.C.B
Explanation:
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