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