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