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