MCQ in General Chemistry Part 13 – Answers

Below is the answers key for the Multiple Choice Questions in General Chemistry Part 13.

601. -31˚F

602. 2.27

603. 5 million

604. ash

605. the two samples are certainly different pure substances

606. water

607. rusting of iron

608. its composition can vary

609. a compound

610. crystallization of sugar from sugar can juice

611. silver

612. separation of the molecules in a mixture

613. nuclear fusion

614. a sword

615. Gay-Lussac’s Law

616. high temperature and low pressure

617. Boyle’s Law

618. He

619. An energy transfer due to temperature difference

620. no change in temperature

621. the enthalpy of reactants is lower than the enthalpy of products.

622. melting of ice

623. when the gas expands adiabatically

624. De Broglie

625. Schrodinger

626. gaining electrons to form ionic compounds

627. the vapor pressure of the solvent to decrease

628. the number of products formed

629. they may become new substances after the reaction

630. it exists between a liquid and its vapor in a closed system at uniform temperature

631. a proton donor

632. they always contain OH ions

633. carbon

634. 1.25

635. 11.19

636. P = 82. N = 124

637. 84.6

638. 1.5 M

639. 130.08 {(10atm)(10)(32)/(0.0821)(300K)}

640. 6.86 x 10^-9

641. 1.66 x 10^-24

642. 49

643. covalent bond

644. electrolyte

645. salt

646. protons and neutrons

647. Sodium

648. electron

649. Lithium

650. group VIIA

Online Questions and Answers in General Chemistry Series

Following is the list of practice exam test questions in this brand new series:

Complete List of MCQs in General Engineering and Applied Sciences per topic

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