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