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