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