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