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