A) yes B) no
A) nitrogen B) argon C) helium
A) suspension B) solvent C) solute
A) solute B) solvent C) suspension
A) salt B) water C) oil D) alcohol
A) 78 % nitrogen B) 21 % oxygen C) 0.04 % carbon dioxide D) 100 % radon
A) mud, salt, coffee B) baking soda, sugar, fructose C) oxygen, carbon dioxide, water vapor
A) dissociation B) polarization C) dispersion D) ionization
A) nonpolar; ionized B) covalent ; ionic C) ionic ; polar
A) dispersion B) dissociation C) polarization
A) polar B) valence C) nonpolar D) ionic
A) ionization B) dispersion C) dissociation
A) dispersion B) ionization C) polarization
A) H3O+ B) NH4+ C) OH-
A) nonelectrolyte B) electrolyte
A) acid B) neutral C) base
A) remains the same B) decreases C) increases
A) remains the same B) increases C) decreases
A) gasoline B) transmission fluid C) hydraulic fluid D) antifreeze
A) decreases B) increases C) remains the same
A) endothermic B) homogeneous C) heterogeneous D) exothermic
A) homogeneous B) endothermic C) exothermic D) heterogeneous
A) the freezing point changes B) the boiling point changes C) it releases cold when the solute dissolves D) it absorbs heat when the solute dissolves
A) the color of the solute and solvent B) stirring the solutions C) the surface area of the solute D) the temperature of the solvent
A) add more sugar to the solution B) stir the solution C) cool off the solution D) heat up the solution
A) polar;covalent B) ionic; ionic C) nonpolar; polar D) covalent;nonpolar
A) the heat increases the solubility of gases B) dissolved gasses come out of solution C) hydrogen escapes the water D) greenhouse gases are produced
A) the temperature decreases B) the sugar in the soda makes the bubbles C) the pressure is suddenly reduced D) the water in the soda has a high freezing point
A) sulfuric acid B) carbonic acid C) lactic acid D) boric acid
A) bubonic acid B) phosphoric acid C) hydrochloric acid D) nitric acid
A) sour B) bitter C) sweet
A) it turns red B) it turns black C) it turns blue D) it turns yellow
A) H3O+ B) OH- C) CO32- D) CH4
A) sour B) bitter C) sweet
A) powdery B) slippery C) sticky
A) it turns white B) it turn pink C) it turns red D) it turns blue
A) sodium acetate B) ammonium nitrate C) phenolphthalein D) ethylene glycol
A) base reduction B) oxidation C) neutralization D) combustion
A) rust and salt B) salt and water C) gas and water D) sugar and water |