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