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