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