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