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