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