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