chemistry

1. 1Which is an example of an alloy?

   1. ASteel
   2. Bsalt water
   3. Cair
   4. Diron
2. 2Which of the following best describes a liquid?

   1. Aindefinite shape, definite volume
   2. Bindefinite shape, indefinite volume
   3. Cdefinite shape, definite volume
   4. Da combination of positive charged ions and free electrons
3. 3Which of the following substances is an element?

   1. Awater
   2. Btable salt
   3. Ciron oxide
   4. Dhydrogen
4. 4Which of the following describes a solid?

   1. Aindefinite shape, definite volume
   2. Bindefinite shape, indefinite volume
   3. Cdefinite shape, definite volume
   4. Ddefinite shape, indefinite volume
5. 5Which of the following best describes a solution?

   1. Aa homogeneous mixture composed of two or more pure substances in different states of matter
   2. Ba homogeneous mixture composed of two or more pure substances in the same state of matter
   3. Ca homogeneous mixture composed of one pure substance with portions in different states of matter
   4. Da heterogeneous mixture composed of two or more pure substances in the same state of matter
6. 6Which of the following substances is a compound?

   1. Ahydrogen gas
   2. Bnitrogen gas
   3. Ctable sugar
   4. Doxygen gas
7. 7Which of the following describes a solute?

   1. Aa substance suspended in a liquid
   2. Ba substance dissolved in a solution
   3. Ca substance that dissolves another substance in a solution
   4. Da substance that forms a colloid in a liquid
8. 8Which of the following best describes a heterogeneous mixture?

   1. AThe components are distributed evenly.
   2. BThe components are distributed unevenly
   3. CThe components form a solution
   4. DThe components consist of a solvent and a solute
9. 9Which of the following best describes a plasma?

   1. Aindefinite shape, definite volume
   2. Bindefinite shape, indefinite volume
   3. Cdefinite shape, definite volume
   4. Dpositive charged ions and free electrons
10. 10Which of the following best describes a colloid?

    1. Aa mixture whose components are unevenly distributed
    2. Ba mixture whose components will separate over time
    3. Ca mixture whose components will not separate over time but do not form a solution
    4. Da mixture whose components consist of a liquid dispersed in a solid that do not form a solution

11. 11Which of the following best describes a suspension?

    1. AA mixture whose components are evenly distributed throughout.
    2. BA mixture whose components will settle out over time.
    3. CA mixture whose components will not separate over time but does not form a solution.
    4. DA mixture whose components consist of a liquid dispersed in another liquid but does not separate over time.
12. 12Which of the following best describes a gas?

    1. Aindefinite shape, definite volume
    2. Bindefinite shape, indefinite volume
    3. Cdefinite shape, definite volume
    4. Dpositive charged ions and free electrons
13. 13Which of the following is an example of a homogeneous mixture?

    1. Aa suspension
    2. Ba colloid
    3. Ca solution
    4. Dan emulsion
14. 14Which of the following describes a solvent?

    1. Aa substance in which another substance dissolves
    2. Ba substance that dissolves in another substance
    3. Ca mixture in which the particles are uniformly distributed
    4. Da mixture in which the particles are not uniformly distributed
15. 15Which of the following statements defines a pure substance?

    1. Aa material that has definite physical properties but not definite chemical properties wherever it is found
    2. Ba material that has definite physical properties and definite chemical properties wherever it is found
    3. Ca material that has definite chemical properties but not definite physical properties wherever it is found
    4. Da material that has neither definite physical properties nor definite chemical properties wherever it is found

Descripción

10th grade Chemistry Test sobre chemistry, creado por Victoria Jones el 25/08/2021.

Autor

Victoria Jones

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English

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chemistry10th grade

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