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