Once the torch is lit, the acetylene flow must be increased until the flame stops smoking <span>before the oxygen is turned on for adjustment in order to keep the tip of the torch cool.
You should also note that while lighting the torch, you should keep the spark lighter near the tip but not covering it.</span>
Answer:
a
Explanation:
does the blome receive high levels of precipitation
Answer:
Electronegativity is the measure of a tendency of an atom to attract the bonding pairs of electrons.
Answer:
This option is correct
Explanation:
Molecules are expressed in the form of Lewis in order to simplify their expression or chemical study, but this does not mean that they manifest or respect this form in all three dimensions since some are generally unstable, or even in the third dimension, these locations between atoms are respected for the characteristics of their unions.
Answer:
Chemical energy is chemical substance that goes through a chemical reaction to transform into other substances.
Explanation:
biomass, batteries