Answer:
Dipole, less electronegativity, higher electronegativity
Answer:
[A] Melting
Explanation:
From the giving it means:
H2O(s) - Solid {Ice}
H2O(l) - Liquid {water}
So the equation is:
Liquid ⇒ Solid + Heat
Water ⇒ Ice + Heat
Hence, if you add ice and heat it equal to melting.
Therefore the correct answer is [A] Melting.
<u><em>Kavinsky</em></u>
Stigma
Stamen so the last one is correct
Magnesium combined with sulfuric acid produces magnesium sulfate and hydrogen gas.
Answer:
c) Wash your hands
Explanation:
A laboratory or most popularly called as lab is a place or facility which provides controlled conditions where some educational research, scientific studies, experiments, testings, can be performed. The place is equipped with sophisticated machines, test samples, hazardous chemicals, instruments etc.
The university or college lab, there is a incharge of the lab called as the lab instructor who is responsible for all the belongings of the lab and the safety of the experimenter or the students.
After performing some experiments or testing with some chemicals, the last and the most important thing we need to do is to wash our hand with soap or hand wash. it is very important because we touch many test samples and hazardous chemical which might go inside our mouth or eyes accidentally, which might be harmful to us.
So, it is important to wash our hand at last before leaving the lab.