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