Answer:
Hypothesis is an assumption or idea about a particular topic or argument. An hypothesis should be one which is able to be tested and measurable to determine its authenticity.
A theory is an explanation of a scientific observation which has undergone series of experiments and is reproducible in any part of the world.
A law is simply a rule which gives an in depth explanation of a scientific finding. If new findings emerge the law could be changed or modified.
Answer:
CaCO3 is false
Explanation:
Because HCl is hydrongen chloride
Answer:
I think it would be false
Explanation:
All things have a unique freezing/melting point
