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