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