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