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