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