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