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