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