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