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