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