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