Question

1. Liquids have fixed shape and volume._______


2. The particles of matter possess potential energy._______


3. The particles of matter in solids are far from each other._______


4. Magnesium chloride is formed on burning magnesium in air.________​

Answer 1

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Answer 2

Answer:

1.In a liquid, the particles are still in close contact, so liquids have a definite volume. However, because the particles can move about each other rather freely, a liquid has no definite shape and takes a shape dictated by its container.

2.Matter is composed of tiny particles (atoms, molecules or ions). These particles are in constant, random motion and possess kinetic energy. The particles also have potential energy due to intermolecular attractions.

3.Gas – In a gas, particles are in continual straight-line motion. The kinetic energy of the molecule is greater than the attractive force between them, thus they are much farther apart and move freely of each other.

4.When the magnesium metal burns it reacts with oxygen found in the air to form Magnesium Oxide. A compound is a material in which atoms of different elements are bonded to one another. Oxygen and magnesium combine in a chemical reaction to form this compound

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