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