Physical and chemical properties.
In flame tests salts<span> that are </span>dissolved in water<span> are evaporated using a </span>hot flame<span>. In the flame the </span>metal atoms<span> become excited and produce their characteristic spectrum of light. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
A scale and a ruler. The scale to measure the mass, and a ruler to measure the volume.
The answer is 70 I guess. Hope this helps :)
Answer:
The chemical reactions in which oxidation and reduction takes place are called redox reaction.
Explanation:
CH4. + O2----> CO2. + H2O
