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