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