pa answer po brailiest agad10. A scientist is already contemplating whether the data of his experiments support his
hypothesis. At this point the scientist is
A. asking a question
C. drawing a conclusion
B. making observations
D. forming a hypothesis
11. Which of the following is the simplest form of a substance?
A. Chemical formula
B. Compound
C. Element
D. Mixture
12. Which of the following statements is TRUE about elements and compounds?
A. Are homogenous in nature.
B. Are simplest form of matter.
C. Are commonly naturally occurring materials. Nog
D. Can be broken down into simpler substances.
13. Salt is made up of what elements? lalo
A. Sodium and Chloride
C. Sodium and Chlorine
B. sodium and Copper eduz onlasvi D. Sodium and Oxide
14. Which of the following describes an element?
A. The simplest substance.
B. It is composed of two or more types of atoms.
C. It can be separated through a chemical process.
D. It can be broken down into other types of substances.dimidido o
15. Which of the following is correctly matched?
A. Gold: Element:: Silver: Compound
C. Sugar: Element:: Salt: Compound
B. Oxygen: Element::Water: Compound D. Water: Element::Hydrogen: Compound
16. Which of the following CANNOT be broken down into simple substances?
A. Chemical Formula B. Compound C. Element D. Mixture
17. Which of the following is NOT an example of element?
A. Helium
B. Nickel
C. Salt
D. Sodium
18. Which of the following substance is NOT a compound?
A. Aluminum
B. Ethanol
C. Lye
D. Sugarsko​