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