The answer is (4), (3) is merely a change in composition, thus not chemical but physical.
Answer: (4).
Answer:
"1.4 mL" is the appropriate solution.
Explanation:
According to the question,
Now,
Increase in volume will be:
⇒ 
By putting the given values, we get



Answer:
A transition to renewable energy and to replace fossil fuels would take care of economically producing fine greens. Also, a transition to energy conservation and efficient energy use would help in this process.
Have a great day!
Answer:
The answer is Hg.
Explanation:
Symbol for Mercury is Hg.
Answer:
The metal which reduces the other compound is the one higher in reactivity. So in this case, it is.
Explanation: