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