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