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