Question

Answer the following questions.<br />1.<br />Write the steps involved in writing the chemical formula of calcium phosphate.<br />of<br />2.<br />How is a chemical change different from a physical change?<br />solo<br />3.<br />Neutralisation reaction is a chemical change? Justify this statement with the<br />help of an example.<br />4.<br />Define a decomposition reaction and give an example of the same.<br />5.<br />Classify the following reactions into different types, giving reason.<br />Casio (s)<br />(a) CaO(s) + SiO2(g)<br />KCl(aq) + H,O(1)<br />(b) KOH(aq) + HCl(aq)<br />→ Cu(NO3)2(aq) + 2Ag(s)<br />(c) Cu(s) + 2AgNO3(aq)<br />2<br />heat<br />BaO(s) + CO,(g)<br />(d) BaCO3(s)​

Answer 1

Explanation:

first can you understand what did you wrote