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