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