Answer:
1. A. Salt grains on the glass was solution .
B. Milk powder on glass is solution.
C. Ground pepper is not a solution.
D. instant coffee is a solution.
2. The materials that soluble in water are salt grains, milk powder, and instant coffee.
3. The materials the insoluble in water was a ground pepper.
4. The solid settled at the bottom of the glass is the side of the glass and that's called a open mouth of the glass.
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Answers & Comments
Answer:
1. A. Salt grains on the glass was solution .
B. Milk powder on glass is solution.
C. Ground pepper is not a solution.
D. instant coffee is a solution.
2. The materials that soluble in water are salt grains, milk powder, and instant coffee.
3. The materials the insoluble in water was a ground pepper.
4. The solid settled at the bottom of the glass is the side of the glass and that's called a open mouth of the glass.