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vfiekz [6]
3 years ago
12

Water is a pure substance. Which of the following is true about water?

Chemistry
1 answer:
Nastasia [14]3 years ago
8 0

Answer:

A chemical change is required to separate the elements present in it.

Explanation:

The only true statement from the choices given is that water as a pure substance requires a chemical change to separate the elements present in it.

Water is a molecule consist of two atoms of hydrogen and one atom of oxygen.

  • The atoms are covalently bonded together.
  • A chemical process, the electrolysis of water is often used to separate the atoms of a water.
  • Physical changes cannot be used to separate the atoms of water.
  • Water is a compound which consists of two elements.

Therefore, we see that only the first choice satisfies this problem.

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Water is such a molecule because Oxygen has strong electronegativity which leads to electrons being pulled to it.

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