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