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