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