Answer:
The biodegradability of soap moleculea means the soap molecules are degradable in nature it doesn't causes water pollution as comparing as detergent.....
Potential cause it holding the force?
23.9 11.00 would be the wrong answer because I guessed
An open system is
when there is a transfer of energy and matter with its surroundings.
A closed system is
where there is a transfer of energy, may it be heat or work, but not matter
with its surroundings.
An isolated system
is where there is no transfer of energy or matter with its surroundings.
The answer in here is d)48 lit. We know this when we do the following procedure:
<span>kerosene=18%
so petrol =82%
after
kerosene =15%
petrol=85%
so 3% =8
lit
so total kerosene in the mixture =(8x18/3) =48 lit
</span>Hope this is useful