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