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