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