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