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