Question

4) Which of the following represent a valid hypothesis ?
A) Sodium metal reacts violently with water.
B) Oxygen is a gas at room temperature.
C) Lead is soft and malleable.
D) Neon does not react with oxygen.
E) Metals tend to lose electrons.

Answer 1

Answer:a

Explanation:

It can be tested and have a control, etc.

Answer 2

A hypothesis is a statement which can be confirmed experimentally. The correct answer is option A: Sodium metal reacts violently with water.

A hypothesis is a statement that can be confirmed by testing it. In other words, a hypothesis must be subjected to an experiment in order to ascertain whether it is true or false.

The only statement that can easily be confirmed experimentally in the laboratory is "Sodium metal reacts violently with water." Hence, this statement represents a valid hypothesis.

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