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