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