Identify the following as a heterogeneous mixture, a homogeneous mixture, a compound or an element. For heterogeneous mixture enter HEM, for homogeneous mixture enter HOM, for compound enter C, for element enter E. [a] a yellow liquid that leaves behind a white crystalline after evaporation [b] spaghetti sauce with no visible flakes of spices [c] a yellow solid powder that melts into a yellow liquid that decomposes upon further heating [d] Acid Rain

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Introduction to chemistry

Chemistry is a branch of science that deals with the analysis of material and the substances that comprise it. It also manages the properties of these substances and their reactions to form new substances. It is basically centered on particles and atoms that make up components and mixtures. These chemical species will in general connect using bonds.