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