Question

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Answer 1

Answer:

1) substance is a matter that has definite properties and composition. Every pure compound and element is a substance. Water, H2O, is a pure substance, a compound made of hydrogen and oxygen. Every pure substance is homogeneous.

2) Mixtures are the substances composed of two or more forms of matter. You can separate them by physical methods. Such examples include a mixture of salt and water, a mixture of sugar and water, different gases, air, etc.

* components do not form through any kind of chemical changes.

3)mixture of salt and water, a mixture of sugar and water, different gases, air, etc.

...

Few Examples of Mixtures We Find in Our Daily Lives.

Sand and water.

Salt and water.

Sugar and salt.

Ethanol in water.

Air.

Soda.

4) The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are possible. Air, for example, is a solution consisting chiefly of oxygen and nitrogen with trace amounts of several other gases, and brass is a solution composed of copper and zinc.

5) An alloy is a substance made by melting two or more elements together, at least one of them metal. An alloy crystallizes upon cooling into a solid solution, mixture, or intermetallic compound. The components of alloys cannot be separated using a physical means.

6) The solute is the substance that is being dissolved in a solution. solvent is the dissolving medium in a solution. eg: sugar solution , in sugar solution sugar is the solute and water is the solvent

7) Solutions are homogeneous mixtures of two or more substances whose components are uniformly distributed on a microscopic scale.

8)

Explanation:

you can even write in your words and hope it is helpful for you dear

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Answer 2

Answer:

22-Jul-2020 — The path of energy flow in an ecosystem is as follows: Producers → Herbivores → Carnivores → Decomposers. So, the correct answer is ...

Explanation: