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