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