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