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