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