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