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