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