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