Atoms and Compounds [Subject SAT (College Board) Biology]: Questions 38 - 41 of 96

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Question number: 38

Atoms and Compounds
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Question

MCQ▾

Which of the following types of chromatography involves the separation of substances in a mixture over a thick layer of an adsorbent?

Choices

Choice (5)Response

a.

Column

b.

Paper

c.

Thin layer

d.

Gas liquid

e.

Question does not provide sufficient data or is vague

Question number: 39

Atoms and Compounds
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Question

MCQ▾

Ubiquitous element on this planet that forms the basis for all living things is

Choices

Choice (5)Response

a.

Nitrogen

b.

Oxygen

c.

Carbon

d.

Hydrogen

e.

All of the above

Question number: 40

Atoms and Compounds
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Question

MCQ▾

Complete the following sentence: ‘Different isotopes of the same element have…

Choices

Choice (5)Response

a.

The same number of neutrons, but differing numbers of protons and electrons

b.

The same number of protons and neutrons, but differing numbers of electrons

c.

The same number of protons and electrons, but differing numbers of neutrons

d.

The same number of protons, but differing numbers of neutrons and electrons

e.

Question does not provide sufficient data or is vague

Question number: 41

Atoms and Compounds
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Question

MCQ▾

Which of the following best fits Thomson’s model of the atom?

Choices

Choice (5)Response

a.

Baked pizza

b.

Plum pudding

c.

Chocolate cake

d.

Can of Diet Pepsi

e.

All of the above