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