Question

When a substance A is heated then two substances are formed. Explain with reasons if the
Give three examples each of an element and a compound.
substance A is an element or a compound.
Explain the difference between:-
Mixture and compound​

Answer 1

Answer:

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Explanation:

When two or more elements combine to form a new substance, it is called a compound. There are many different types of compounds, because atoms of elements combine in many different ways to form different compounds. Examples include water (H2O) and table salt (NaCl). The smallest part of a compound is a molecule.

Elements, mixtures and compounds

Common examples include carbon, sulfur, oxygen, iron, copper, aluminium. Elements are represented by symbols. Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction.

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