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