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