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