I'm a little confused so can someone check my answers-

1. Which of the following is true about alchemists and alchemy?
Alchemy is a science.
Chemistry developed into alchemy.
Alchemists tried to turn metals into gold. (My answer)
Robert Boyle was an alchemist.

2. Which of the following is alchemy?
A medieval pseudoscience that tried to find ways to change ordinary metals into gold. (My answer)
The discovery that atoms have a unique structure of protons, neutrons, and electrons.
A systematic process of gaining knowledge by observing and testing.
The modern science of chemistry.

3. In which case are medicines based on science rather than pseudoscience?
If the medicines save lives or help many people.
If the medicines have been evaluated using unbiased tests. (My answer)
If the people who create the medicines have science or medical degrees.
If the medicines have been used for many years.

4. Which option describes a science question?
One that can be answered through hypotheses.
One that can be answered through inferences.
One that can be answered by observations of nature.
One that can be answered by investigation. (My answer)

5. Which inference can be made from the fact that Fritz Haber received a Nobel Prize in 1918?
The Haber-Bosch process was an important scientific development.
The Haber-Bosch process was used to make explosives in World War I. (My answer)
The Haber-Bosch process made the world more peaceful.
The Haber-Bosch process initially only made small quantities of ammonia.

Any help with this is appreciated