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