Question

what is combination?
what is double displacement?
what is displacement?
what is synthesis?​

Answer 1

1. Combinations refer to the combination of n things taken k at a time without repetition. To refer to combinations in which repetition is allowed, the terms k-selection, k-multiset, or k-combination with repetition are often used.
2. A salt metathesis reaction, sometimes called a double replacement reaction, double displacement reaction, is a chemical process involving the exchange of bonds between two non-reacting chemical species which results in the creation of products with similar or identical bonding affiliations.
3. In geometry and mechanics, a displacement is a vector whose length is the shortest distance from the initial to the final position of a point P undergoing motion
4. the act of combining separate ideas, beliefs, styles, etc.; a mixture or combination of ideas, beliefs, styles, etc.

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