17 A student mixes two liquids together and notices that a white solid has formed at the bottom of
the container. What can the student conclude?
8.2(E)
1. A precipitate has formed.
2. A physical change has occurred.
3. A chemical reaction has occurred.
4. A chemical change has occurred.
1 and 2 only
1, 2, and 4 only
1, 3, and 4 only
3 only

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

plants need sunlight, water, and carbon dioxide to make food. plants use the raw materials of water, nutrients they absorb from soil, and carbon dioxide to make sugars the plant can use. energy from the sun and chlorophyll are also needed.

i'm wiling to try and you : )

yes

ya te ayud espera