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