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