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