Chemistry

Question

1. What causes water's low vapor pressure? (1 point)
dispersion forces
dispersion forces
covalent bonding
hydrogen bonding
ionic attractions
2. Which of the following substances is the most soluble in water? (1 point)
sodium chloride
methane
bromine
carbon
3. Which of the following substances is NOT an electrolyte? (1 point)
KCl
CCl4
LiCl
Na2SO4
4. Which of the following mixture types can be filtered to remove solute? (1 point)
suspensions only
colloids only
suspensions and colloids
suspensions and solutions
5. Which of the following mixtures is NOT a colloid? (1 point)
fog
milk
paint
sugar water
6. Which of the following types of mixtures exhibit the Tyndall effect? (1 point)
suspensions and colloids
suspensions and solutions
colloids and solutions
colloids only
7. An emulsyfying agent is typically characterized by having ____. (1 point)
one polar end
one nonpolar end
one nonpolar end
two polar ends
one polar end and one nonpolar end

1 Answer

  • 1. What causes water's low vapor pressure? (1 point)
    dispersion forces
    dispersion forces
    covalent bonding
    hydrogen bonding
    ionic attractions
    2. Which of the following substances is the most soluble in water? (1 point)
    sodium chloride
    methane
    bromine
    carbon
    3. Which of the following substances is NOT an electrolyte? (1 point)
    KCl
    CCl4
    LiCl
    Na2SO4
    4. Which of the following mixture types can be filtered to remove solute? (1 point)
    suspensions only
    colloids only
    suspensions and colloids
    suspensions and solutions
    5. Which of the following mixtures is NOT a colloid? (1 point)
    fog
    milk
    paint
    sugar water
    6. Which of the following types of mixtures exhibit the Tyndall effect? (1 point)
    suspensions and colloids
    suspensions and solutions
    colloids and solutions
    colloids only
    7. An emulsyfying agent is typically characterized by having ____. (1 point)
    one polar end
    one nonpolar end
    one nonpolar end
    two polar ends
    one polar end and one nonpolar end
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