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