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