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