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