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