Amplify Chemical Reactions Chapter 4 Quiz

What is a good scientific reason for eliminating a suspect in the Chapter 4 investigation?

• They wore gloves

• They did not have access to fluorine

• They like diamonds

• They live far away

Which substance was used to steal the Lavoisier diamond?

• Hydrofluoric Acid

• Bromine perchlorate

• Iodine

• Elemental Sodium

You are modeling a chemical reaction. Based on these starting substances, what are possible end substances AFTER THE CHEMICAL REACTION?

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Two samples were mixed to create the ending substance to the left. Which of the two samples could have made our ending substance?

hint: There is another ending substance not pictured

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Which chemical goes in the ??? spot?

• Iron Sulfide

• Hydrogen

• Sodium Sulfide

• Hydrogen Sulfide

• Sulfur Dioxide

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What atoms are missing from the product side? (pick two)

• Iron

• Sodium

• Nitrogen

• Oxygen

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What atoms would we need to add to the product side to make it complete?

• One Sulfur atom and three oxygen atoms

• One sulfur atom and two cobalt atoms

• three oxygen atoms and one tin atom

• one tellerium atom and three polonium atoms

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In the reaction below between Zinc and Hydrochloric Acid, what should be under the black box?

• hydrogen

• chlorine

• gold

• aluminium

• Zinc

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During a chemical reaction atoms are ___________________________.

• deleted and destroyed resulting in fewer atoms

• changed into different elements through alchemy

• disconnected from one another and rearranged making new compounds

• created resulting in whole new atoms appearing

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If your reactants in a chemical reaction have sulfur, iridium, and mercury atoms, which atoms must your products have? SELECT ALL THAT APPLY.

• sulfur

• iridium

• mercury

• iron

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