Question

write about chemical combination​

Answer 1

Answer:

The combination of elements to give compounds. There are three laws of chemical combination. ... (2) The law of multiple proportions states that when two elements A and B combine to form more than one compound, then the masses of B that combine with a fixed mass of A are in simple ratio to one another.

Answer 2

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Chemical combination:

• The combination of elements to give compounds. There are three laws of chemical combination. ... (2) The law of multiple proportions states that when two elements A and B combine to form more than one compound, then the masses of B that combine with a fixed mass of A are in simple ratio to one another.

Example:

• Calcium oxide reacts with water to produce calcium hydroxide.