A) yes B) no
A) helium B) nitrogen C) argon
A) suspension B) solute C) solvent
A) suspension B) solute C) solvent
A) salt B) oil C) water 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) dissociation B) dispersion C) ionization D) polarization
A) nonpolar; ionized B) ionic ; polar C) covalent ; ionic
A) polarization B) dispersion C) dissociation
A) polar B) ionic C) nonpolar D) valence
A) dispersion B) dissociation C) ionization
A) ionization B) dispersion C) polarization
A) OH- B) H3O+ C) NH4+
A) nonelectrolyte B) electrolyte
A) neutral B) base C) acid
A) decreases B) remains the same C) increases
A) remains the same B) decreases C) increases
A) hydraulic fluid B) transmission fluid C) antifreeze D) gasoline
A) decreases B) increases C) remains the same
A) heterogeneous B) homogeneous C) exothermic D) endothermic
A) exothermic B) endothermic C) heterogeneous D) homogeneous
A) the boiling point changes B) it releases cold when the solute dissolves C) the freezing point changes D) it absorbs heat when the solute dissolves
A) stirring the solutions B) the surface area of the solute C) the color of the solute and solvent D) the temperature of the 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) polar;covalent C) ionic; ionic D) nonpolar; polar
A) the heat increases the solubility of gases B) hydrogen escapes the water C) greenhouse gases are produced D) dissolved gasses come out of solution
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) boric acid B) carbonic acid C) lactic acid D) sulfuric acid
A) phosphoric acid B) nitric acid C) bubonic acid D) hydrochloric acid
A) sweet B) sour C) bitter
A) it turns yellow B) it turns black C) it turns blue D) it turns red
A) CH4 B) OH- C) CO32- D) H3O+
A) sweet B) sour C) bitter
A) slippery B) sticky C) powdery
A) it turns blue B) it turns red C) it turns white D) it turn pink
A) ammonium nitrate B) sodium acetate C) ethylene glycol D) phenolphthalein
A) oxidation B) combustion C) neutralization D) base reduction
A) rust and salt B) salt and water C) sugar and water D) gas and water |