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