1.Which of the following pertains to the substance that are not chemically combined

A. Solution
B. Solvent
C. Solute
D. Mixture

2.We encounter different mixtures in our daily lives, What is the type of mixture that has two or more phases

A Natural solution
B. Homogenous
C. Manufactured solution
D. Heterogeneous

3.Not example of an element

A. Cl2
B. H2O
C. Br2
D. Na​