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