The sun is a true substance that gives off energy.
Answer:
homogeneous mixture means the mixture that we can't see with our naked eyes and hetergenous mixture means the particle which can't be seen with our naked eyes.
Answer:
The correct option is (c)
Percentage yield=(actual yield/theoretical yield) x 100%
= (45/50) x 100%
= 90%
Answer:
C
Explanation:
It is also better so scientists know that the data is accurate and that the results will be reliable. If an investigation is replicable, somebody else can use it. In order for others to achieve the same results scientists also have to be able to collect the same data ...
