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