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