Question

1. The organic compounds having the same molecular formula but different structures are called:

A. Atoms

B. Isomers

C. Homologous series

D. Haloalkanes

Ans. B

2. What is the part of the solution that dissolves the solute called?

A. Solvent

B. Sol

C. Salt

D. None of the above

Ans. A

3. Compounds that contain carbon are called:

A. Organic compound

B. Ionic compound

C. Alkynes

D. Molecular compound

Ans. A

4. What is the mixing of air into a liquid or solid called?

A. Aeration

B. Aldehyde

C. Actinides

D. Allotropy

Ans. A

5. What are the different physical forms in which an element can exist called?

A. Alkane

B. Alloy

C. Amine

D. Allotropes

Ans. D

6. The study of heat flow is called:

A. Combustion

B. Calorimetry

C. Diffusion

D. Electrolysis

Ans. B

7. What is the process called when a compound combines with oxygen gas to form water, heat and carbon dioxide?

A. Electrolysis

B. Combustion

C. Diffusion

D. Calorimetry

Ans. B

8. When a gas moves through an opening into a chamber that contains no pressure, it is called:

A. Effusion

B. Diffusion

C. Combustion

D. Osmosis

Ans. A

9. When a substance loses electrons, it is called:

A. Corrosion

B. Rust

C. Oxidation

D. Osmosis

Ans. C

10. What is the substance that has an unstable nucleus that can fall apart called?

A. Organic compound

B. Radioactive

C. Nuclear fission

D. Nuclear fusion


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Answer 1

10. B. Radioactive....

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Answer 2

Explanation:

A

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