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