A physical property of gold is ___

re-activity with powerful acids

What does the Law of Conservation of Mass state?

Matter can neither be created nor detroyed

Matter can be created and destroyed

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haymatson2203 8 perguntas 5,0 (1 avaliação)

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1Matter is defined as anything that has mass and takes up space.
1. AVerdadeiro
2. BFalso
2A [blank_start]physical property[blank_end] is a quality or condition of a substance that can be observed or measured WITHOUT changing the substance's composition.
1. Aphysical property
3A mixture cannot be defined as heterogeneous or homogeneous.
1. AVerdadeiro
2. BFalso
4Which of the following materials cannot be brown down into a simpler form?
1. Acompound
2. Bsolution
3. Cmixture
4. Delement
5If a substance has magnetic properties, this is an example of a _____
1. Achemical property
2. Bchemical change
3. Cphysical change
4. Dphysical property
6Rusting, digesting, decomposing and conducting electricity are ALL chemical changes
1. AVerdadeiro
2. BFalso
7A physical property of gold is ___
1. Anon-flammability
2. Bdensity
3. Cre-activity with powerful acids
4. Dnone of the above
8What does the Law of Conservation of Mass state?
1. Athat mass is mass
2. BMatter is mass
3. CMatter can neither be created nor detroyed
4. DMatter can be created and destroyed