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