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