A2. Assessment: Read and understand the following statements below. Write the word TRUE IF the statement is correct. If the statement is incorrect, . An example has been done for you. (10 points)
. :
1 Vegetable salad is a heterogeneous mixture.
- 2. A mixture is formed when two or more substances are combined
1. During melting, a melts completely/smoothly within a short time, while a has a portion that seems to be not melting.
2. The components of a can be separated.
3. The temperature of a is fixed and sharp while the temperature of a substance is different at different times.
4. such as elements and compounds have uniform composition throughout.
5. may be classified into two broad categories, mixtures and pure substances
6. have fixed composition since the percentage composition is always the same from sample to sample
7. The components of a can be separated using physical and mechanical separating techniques
8. is formed when two or more elements are combined chemically.
9. The size of the component particles of a homogeneous mixture is .
