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