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Biology and Chemistry Concepts Quiz

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Which statement accurately defines a hypothesis in scientific research?

A hypothesis is an educated guess that can be tested. (correct)

A hypothesis is an untestable prediction about future events.

A hypothesis is a conclusively proven fact.

A hypothesis is merely a summary of gathered data.

What role do valence electrons play in chemical bonding?

They influence the temperature of chemical reactions.

They participate in chemical bonds and determine reactivity. (correct)

They are involved in the formation of isotopes.

They determine the mass of the atom.

In the given chemical equation, CO₂ + H₂O → H₂CO₃, which component represents the product?

H₂O

The arrow indicates the product.

CO₂

H₂CO₃ (correct)

Which of the following best describes homeostasis?

<p>The maintenance of a stable internal environment despite external changes. (B)</p> Signup and view all the answers

On the pH scale, which statement correctly identifies the characteristics of an acidic solution?

<p>It has a pH less than 7 and donates protons in solution. (B)</p> Signup and view all the answers

Biology and Chemistry Concepts Quiz

Choose a study mode

Podcast

Questions and Answers

Which statement accurately defines a hypothesis in scientific research?

What role do valence electrons play in chemical bonding?

In the given chemical equation, CO₂ + H₂O → H₂CO₃, which component represents the product?

Which of the following best describes homeostasis?

On the pH scale, which statement correctly identifies the characteristics of an acidic solution?

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