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