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