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