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