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