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