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