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