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Question
Matter that cannot be broken down into simpler substances by chemical reactions is called __________________.
Matter that cannot be broken down into simpler substances by chemical reactions is called __________________.
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Solution
The correct option is B element
An element is a substance that consists of atoms which have the same number of protons, that is, the same atomic number. They are chemically the simplest substances and hence cannot be broken down using chemical methods. For example, hydrogen and oxygen.
element
An element is a substance that consists of atoms which have the same number of protons, that is, the same atomic number. They are chemically the simplest substances and hence cannot be broken down using chemical methods. For example, hydrogen and oxygen.
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