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