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