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