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) alcohol C) oil D) salt
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) dissociation B) ionization C) dispersion D) polarization
A) nonpolar; ionized B) ionic ; polar C) covalent ; ionic
A) dispersion B) polarization C) dissociation
A) nonpolar B) ionic C) valence D) polar
A) ionization B) dissociation C) dispersion
A) dispersion B) ionization C) polarization
A) NH4+ B) H3O+ C) OH-
A) electrolyte B) nonelectrolyte
A) base B) acid C) neutral
A) increases B) remains the same C) decreases
A) increases B) remains the same C) decreases
A) transmission fluid B) hydraulic fluid C) antifreeze D) gasoline
A) increases B) decreases C) remains the same
A) homogeneous B) heterogeneous C) exothermic D) endothermic
A) endothermic B) homogeneous C) heterogeneous D) exothermic
A) it releases cold when the solute dissolves B) the boiling point changes 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) cool off the solution B) stir the solution C) heat up the solution D) add more sugar to the solution
A) polar;covalent B) nonpolar; polar C) covalent;nonpolar D) ionic; ionic
A) the heat increases the solubility of gases B) greenhouse gases are produced C) dissolved gasses come out of solution D) hydrogen escapes the water
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) lactic acid B) carbonic acid C) sulfuric acid D) boric acid
A) nitric acid B) bubonic acid C) phosphoric acid D) hydrochloric acid
A) bitter B) sour C) sweet
A) it turns red B) it turns yellow C) it turns black D) it turns blue
A) H3O+ B) CO32- C) OH- D) CH4
A) bitter B) sour C) sweet
A) slippery B) sticky C) powdery
A) it turns red B) it turns white C) it turns blue D) it turn pink
A) sodium acetate B) ethylene glycol C) phenolphthalein D) ammonium nitrate
A) neutralization B) base reduction C) combustion D) oxidation
A) sugar and water B) salt and water C) gas and water D) rust and salt |