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