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