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