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