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