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