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