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