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