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