PHYSICAL SCIENCE 1st Qtr. EQT Study Guide
MULTIPLE CHOICE
1.You mix a powdered drink mix with water. The result is an example of what type of mixture?
a. / solution / c. / homogeneous mixtureb. / heterogeneous mixture
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2.What is the solvent in salt water?
a. / salt / c. / sodiumb. / water / d. / chlorine
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3.Substance “A” is added to water. Substance “A” does not dissolve. What term can be used to describe the relationship between substance A and water?
a. / soluble / b. / insolubleANS:BPTS:1
4.Aunt Gussie made ice tea. What is the solvent?
a. / tea leaves / c. / teab. / water / d. / ice
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5.Air is approximately 78% nitrogen, 21% oxygen, and 1% everything else. What is the solvent of air?
a. / nitrogen / c. / everything elseb. / oxygen
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6.A crystal is dropped into a solution and it sinks to the bottom without dissolving. What type of solution is it?
a. / unsaturated / c. / supersaturatedb. / saturated / d. / mixture
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7.If a crystal of sodium acetate is dropped into a solution and more sodium acetate crystals appear, what type of solution was it originally?
a. / unsaturated / c. / supersaturatedb. / saturated / d. / mixture
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8.If a crystal of sodium acetate is dropped into a solution and the sodium acetate crystal sits on the bottom of the container, what type of solution was it originally?
a. / unsaturated / c. / supersaturatedb. / saturated / d. / mixture
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9.A solution of cobalt II chloride is blue. Twenty-five (25) grams of cobalt II chloride is added to the solution. It dissolves with very little stirring. What type of solution was it originally?
a. / unsaturated / c. / supersaturatedb. / saturated / d. / mixture
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10.Salt is added to a pot of water. The added salt falls immediately to the bottom of the pot and stays there. What type of solution was it originally?
a. / unsaturated / c. / supersaturatedb. / saturated / d. / mixture
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11.A light bulb is placed in a solution. When a current is applied, the light bulb does not light up. What type of solution is the light bulb in?
a. / electrolyte / b. / nonelectrolyteANS:BPTS:1
12.A light bulb is placed in a sugar water solution. When a current is applied, the light bulb light does not light up. What type of solution is the sugar water?
a. / electrolyte / b. / nonelectrolyteANS:BPTS:1
13.A light bulb is placed in pure water. When a current is applied, the light bulb does not light up. How can the pure water be classified?
a. / electrolyte / b. / nonelectrolyteANS:BPTS:1
14.A light bulb is placed in an aqueous solution of battery acid. When a current is applied, the light bulb lights up. What type of solution is the light bulb in?
a. / electrolyte / b. / nonelectrolyteANS:APTS:1
15.A light bulb is placed in a solution that contains no ions. When a current is applied, the light bulb does not light up. What type of solution is the light bulb in?
a. / electrolyte / b. / nonelectrolyteANS:BPTS:1
16.When a gas is dissolved in a liquid, the gas dissolves faster if the liquid is what?
a. / cooled / c. / stays at room temperatureb. / heated
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17.What factor would increase the solubility of a gas in a liquid?
a. / decrease temperature / b. / increase temperatureANS:APTS:1
18.When a gas is dissolved in a liquid, the gas will dissolve faster under what conditions?
a. / lower temperature / b. / higher temperatureANS:APTS:1
19.Which of the following will speed up the dissolving of a solid solute in water?
a. / leave it alone / c. / stir the solutionb. / add inhibitor / d. / cool the water
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20.Describe what effect increasing the temperature of the solvent will have on the solution it is forming?
a. / speeds the rate of solution / b. / slows the rate of solutionANS:APTS:1
21.What is the most penetrating type of radiation?
a. / alpha / c. / gamma rayb. / beta / d. / omicron
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22.What type of radiation has neither charge nor mass?
a. / alpha / c. / gammab. / beta / d. / omicron
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23.What is the least penetrating type of radiation?
a. / alpha / c. / gammab. / beta / d. / omicron
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24.What type of radiation is actually a helium nucleus with two protons and two neutrons?
a. / alpha / c. / gammab. / beta / d. / omicron
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25.Which type of radioactive particle has a +2 charge?
a. / alpha particle / c. / gamma rayb. / beta particle / d. / omicron particle
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26.Which of the following pertains to both a fusion reaction and a fission reaction?
a. / they both take place in the sun / c. / a by product is heliumb. / they both produce energy / d. / they both produce lower masses
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27.Of fission and fusion, which produces nuclei of higher mass than the reactants?
a. / fission / b. / fusionANS:BPTS:1
28.Of fission and fusion, which reaction is currently used in nuclear power plants?
a. / fission / b. / fusionANS:APTS:1
29.Of fission and fusion, which takes place in the sun?
a. / fission / b. / fusionANS:BPTS:1
30.Of fission and fusion, which one produces helium as its major by-product?
a. / fission / b. / fusionANS:BPTS:1
31.Which group in the periodic table has two valence electrons in their atoms?
a. / Group 1 / c. / Group 3b. / Group 2 / d. / Group 4
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32.How many valence electrons does chlorine (Cl) have?
a. / 1 / c. / 3b. / 5 / d. / 7
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33.How many valence electrons does sodium (Na) have?
a. / 1 / c. / 8b. / 2 / d. / 5
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34.How many valence electrons does hydrogen (H) have?
a. / 3 / c. / 8b. / 4 / d. / 1
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35.How many valence electrons does neon (Ne) have?
a. / 2 / c. / 4b. / 6 / d. / 8
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36.Where are nonmetals located on the periodic table?
a. / to the right of the zigzag line / b. / to the left of the zigzag lineANS:APTS:1
37.What family of elements does not readily form compounds?
a. / alkali metals / c. / alkali earth metalsb. / noble gases / d. / metalloids
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38.Categorize element “X” as a metal, metalloid, nonmetal, or noble gas. Element “X” is dull, brittle solid and is a poor conductor of heat and electricity.
a. / metalloid / c. / noble gasb. / metal / d. / nonmetal
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39.Which of the following elements: aluminum, boron, iron, and oxygen is a non-metal?
a. / boron / c. / oxygenb. / iron / d. / aluminum
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40.Which of the following elements: krypton, boron, iron, and oxygen is a noble gas?
a. / krypton / c. / ironb. / boron / d. / oxygen
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41.Of the following elements: hydrogen, magnesium, aluminum, and strontium which are in the same period?
a. / hydrogen & magnesium / c. / magnesium & aluminumb. / hydrogen & strontium / d. / strontium & aluminum
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42.Of the following elements: sodium, potassium, titanium, and oxygen which are in the same period?
a. / sodium & potassium / c. / titanium & sodiumb. / potassium & titanium / d. / potassium & oxygen
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43.Of the following elements: fluorine, iodine, phosphorous, and silver which are in the same period?
a. / silver & iodine / c. / iodine & phosphorousb. / phosphorous & silver / d. / silver & fluorine
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44.Of the following elements: calcium, cobalt, barium, nitrogen which are in the same period?
a. / nitrogen & barium / c. / calcium & nitrogenb. / cobalt & calcium / d. / barium & calcium
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45.Of the following elements: oxygen, neon, krypton, and aluminum which are in the same group?
a. / oxygen & neon / c. / neon & kryptonb. / aluminum & oxygen / d. / oxygen & krypton
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46.What would be the mass number of an atom of oxygen with 8 protons, 8 electrons, and 8 neutrons?
a. / 8 / c. / 16b. / 24 / d. / 22
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47.What would be the mass number of an atom of gold with 79 protons, 79 electrons, and 118 neutrons?
a. / 118 / c. / 79b. / 197 / d. / 158
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48.A particular isotope has 6 protons, 8 neutrons and 6 electrons. This is an isotope of which element?
a. / carbon (C) / c. / magnesium (Mg)b. / oxygen (O) / d. / silicon (Si)
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49.A particular isotope has 82 protons, 125 neutrons and 82 electrons. This is an isotope of which element?
a. / palladium (Pd) / c. / technetium (Tc)b. / lead (Pb) / d. / platinum (Pt)
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50.What is the mass number of a carbon-14 isotope?
a. / 14 / c. / 12b. / 6
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51.Choose the correct chemical formula for magnesium chloride.
a. / MnCl2 / c. / MgCl2b. / MtCl2 / d. / MdCl2
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52.Which of the following is the chemical formula for dinitrogen monoxide?
a. / 2N2O / c. / N2Ob. / 3N2O / d. / 4N2O
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53.Choose the balanced chemical equation for a reaction of sodium with oxygen that results in the formation of sodium oxide.
a. / 3Na + O2 2Na2O / c. / 2Na + 4O2 2Na2Ob. / 4Na + 2O2 2Na2O / d. / 4Na + O2 2Na2O
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54.Choose the coefficients that correctly balance the chemical equation: __ CaCO3(s) __CaO(s)+__CO2(g).
a. / 1, 2, 1 / c. / 1, 1, 1b. / 2, 1, 1 / d. / 2, 1, 2
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55.Choose the coefficients that correctly balance the chemical equation __CaO+__H2O__Ca(OH)2?
a. / 1, 1, 1 / c. / 1, 2, 2b. / 1, 2, 1 / d. / 2, 1, 2
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56.Which of the following is the formula for carbon tetrachloride?
a. / CaCl4 / c. / ClCl4b. / CuCl4 / d. / CCl4
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57.Choose the balanced chemical equation, given C2H6O + O2 CO2 + H2O.
a. / C2H5O + 3O2 2CO2 + 3H2O / c. / 2C2H6O + 3O2 2CO2 + 3H2Ob. / C2H7O + 3O2 2CO2 + 3H2O / d. / C2H6O + 3O2 2CO2 + 3H2O
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58.Identify the basic formula for a decomposition reaction?
a. / A + B AB / c. / AB A + Bb. / A + BC AC + B / d. / AB + CD AD + CB
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59.Identify the basic formula for a single replacement reaction?
a. / A + B AB / c. / AB + CD AD + CBb. / AB A + B / d. / A + BC AC + B
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60.What type of reaction involves the breaking down of a substance into two or more simpler substances?
a. / synthesis / c. / decompositionb. / single replacement / d. / double replacement
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61.How would you classify a reaction in which two or more substances combine to form a single compound?
a. / single replacement / c. / decompositionb. / double replacement / d. / synthesis (composition) reaction
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62.The equation below is an example of which type of chemical reaction?
NaCl + AgF NaF + AgCl
a. / double-replacement reaction / c. / single replacementb. / decomposition / d. / synthesis
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63.The equation below is an illustration of what type of reaction? AB A + B
a. / synthesis / c. / decompositionb. / double replacement / d. / single replacement
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64.The equation below is an illustration of what type of reaction?
AB + CD AD + CB
a. / single replacement / c. / decompositionb. / synthesis / d. / double-replacement
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65.The equation below is an example of what type of chemical reaction?
H2CO3 H2O + CO2
a. / double replacement / c. / synthesisb. / decomposition reaction / d. / single replacement
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66.How would you describe a chemical reaction in which energy is absorbed?
a. / endothermic / b. / exothermicANS:APTS:1
67.A solid substance enters its liquid state. What type of process has the substance undergone?
a. / endothermic / b. / exothermicANS:APTS:1
68.Dry ice, solid carbon dioxide, goes from the solid state directly to the gaseous state without going through the liquid state. What type of process has the substance undergone?
a. / oxidation / c. / evaporationb. / sublimation / d. / transpiration
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69.Heat is added to liquid water until it turns to steam. Energy is absorbed in the process. What type of process is this?
a. / endothermic / b. / exothermicANS:APTS:1
70.A gas is cooled and turns into a liquid. What type of process is this?
a. / evaporation / c. / sublimationb. / transpiration / d. / condensation
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