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