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