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