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