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