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