Answer the following questions. 1) What are compounds? How are they formed? 2) What are mixtures? How are they formed? 3) Formation of a compound is chemical change. Justify. 4) A student took a glass of water and added a few drops of red ink to it. Is the change involved in the activity a physical or chemical? Justify your answer. I want a proper answer. I will mark as brainliest and also follow you if you answer it appropriately... : ) 50 points for this............. Please answer.....
Answers
Answer:
compounds are pure substances formed by the chemical combination of two or more pure substances in a fixed ratio by mass
Mixtures are impure substances does by mixing two or more pure substances in any indefinite proportion
formation of a compound is a chemical change because energy is either absorbed or evolved during its formation .
ink mixed with water is a physical change
Explanation:
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Answer:
Explanation:
Answer for Q1. A compound is a substance formed when two or more elements are chemically joined. Water, salt, and sugar are examples of compounds. When the elements are joined, the atoms lose their individual properties and have different properties from the elements they are composed of.
Answer for Q2. Mixtures are one product of mechanically blending or mixing chemical substances such as elements and compounds, without chemical bonding or other chemical change so that each ingredient substance retains its own chemical properties and makeup.
Answer for Q3. formation of compounde from raw reactants is a chemical changeas there is a change in composition of the reactants .take for example hcl and naoh when react produce nacl and water which is a formation of a new compound hence it is chemical change.