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