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) 21 % oxygen C) 100 % radon D) 0.04 % carbon dioxide
A) oxygen, carbon dioxide, water vapor B) baking soda, sugar, fructose C) mud, salt, coffee
A) dispersion B) dissociation C) polarization D) ionization
A) ionic ; polar B) covalent ; ionic C) nonpolar; ionized
A) dispersion B) dissociation C) polarization
A) valence B) ionic C) polar D) nonpolar
A) ionization B) dissociation C) dispersion
A) dispersion B) ionization C) polarization
A) H3O+ B) OH- C) NH4+
A) electrolyte B) nonelectrolyte
A) acid B) base C) neutral
A) remains the same B) increases C) decreases
A) increases B) decreases C) remains the same
A) gasoline B) antifreeze C) transmission fluid D) hydraulic fluid
A) remains the same B) decreases C) increases
A) heterogeneous B) homogeneous C) endothermic D) exothermic
A) heterogeneous B) exothermic C) homogeneous D) endothermic
A) it absorbs heat when the solute dissolves B) the boiling point changes C) it releases cold when the solute dissolves D) the freezing point changes
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) stir the solution B) add more sugar to the solution C) cool off the solution D) heat up the solution
A) polar;covalent B) nonpolar; polar C) covalent;nonpolar D) ionic; ionic
A) the heat increases the solubility of gases B) dissolved gasses come out of solution C) hydrogen escapes the water D) greenhouse gases are produced
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) boric acid C) sulfuric acid D) carbonic acid
A) bubonic acid B) phosphoric acid C) nitric acid D) hydrochloric acid
A) sweet B) bitter C) sour
A) it turns blue B) it turns red C) it turns yellow D) it turns black
A) CO32- B) OH- C) CH4 D) H3O+
A) sour B) sweet C) bitter
A) sticky B) powdery C) slippery
A) it turn pink B) it turns blue C) it turns white D) it turns red
A) phenolphthalein B) ethylene glycol C) ammonium nitrate D) sodium acetate
A) combustion B) base reduction C) oxidation D) neutralization
A) salt and water B) gas and water C) sugar and water D) rust and salt |