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