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