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