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