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