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