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