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