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A substance used to dissolve other substances is which of the following?
a) Saturation
b) Solubility
c) Solute
d) Solvent
d) Solvent
Which of the following reasons explains why if salt water is heated, the water turns into steam while the salt remains?
a) Water and salt have an equal boiling point
b) Water has lower boiling point than salt
c) Salt has a lower boiling point than water
d) Salt and water have an equal melting point
b) Water has lower boiling point than salt
Which property describes a material's ability to conduct heat?
a) Electrical conductivity
b) Boiling point
c) Thermal conductivity
d) Melting point
c) Thermal conductivity
Which of the following is not an intensive physical property?
a) Electrical conductivity
b) Mass
c) Density
d) Freezing point
b) Mass
Kenya has a pile of salt on the counter. She uses a pinch of it for a meal. Which of the following physical properties of the salt changes?
a) Density
b) Shape
c) Solubility
d) Thermal conductivity