uestions
1. What is meant by a substance?
2. List the points of differences
between homogeneous and
heterogeneous mixtures.
Answers
Answer:
1.) A substance is a matter that has definite properties and composition. Every pure compound and element is a substance.
2.) Homogeneous mixture- Has the same uniform appearance and composition throughout many homogeneous mixtures are commonly referred to as solutions.
Heterogeneous mixture- Consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
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Answer:
- a substance is a single form of matter. it cannot be separated into other kind of matter by any physical process.
- HOMOGENEOUS
=These are the types of mixtures in which the components mixed are uniformly distributed throughout the mixture.
Ex.rainwater, vinegar, etc.
3.This is a type of mixture in which all the components are completely mixed and all the particles can be seen under a microscope. We can easily identify the components and more than one phase can be seen by naked eyes.
EX:sea water,pizza
Explanation:
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