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