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