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