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