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