IDNStudy.com, ang iyong gabay para sa mga sagot ng komunidad at eksperto. Ang aming mga eksperto ay handang magbigay ng malalim na sagot at praktikal na solusyon sa lahat ng iyong mga tanong.

A group of students experimented
about SUBSTANCE X. The following
were their observations When
Substance X was heated, it decomposed
into a new solid substance labeled as
Substance Y and a gas labeled as
Substance Z Further heating of
substances Y and Z yielded no new
product.

9. Which of the substances is/are
compound/s?
A. Substance X
B. Substance Y
C. Substance Z
D. Substances Y and Z

10. Which of the substances is/are
element/s?
A. Substance X
B. Substance Y
C. Substance Z
D. Substances Y and Z​