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