8.) A pure substance whose molecules are made up of only one type of atom.

A. Element
B. Compound
C. Mixture
D. Suspension


9.) It is made up of 2 or more elements that are chemically combined.

A. Element
B. Compound
C. Mixture
D. Suspension


10.) Which of the following substance is an element?

A. Carbon dioxide
B. Iron
C. Salt
D. Sugar


11.) Which of the following describes an element?

A. The simplest substance
B. It can be broken down into other types of substances.
C. It can be separated through a chemical process.
D. It is composed of two or more types of atoms.


12.) Which of the following is an example of a compound?

A. Calcium
B. Calcium Chloride
C. Magnesium
D. Manganese


13.) The two classifications of pure substances are ?


A. Element and Compound
B. Mixture and Suspensions
C. Colloid and Solution
D. Homogeneous and Heterogeneous

14.) Which of the following is correctly matched?

A. Gold: Element : Silver: Compound
B. Oxygen: Element : Water: Compound C. Sugar: Element : Salt: Compound
D. Water: Element : Hydrogen: Compound





Paki sagot po salamat​