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