Which of these is not true about a gas? A . it could be a part of air B. Occupies definite volume C . does not have definite volume D. does not have definite shape
Answers
Answer:
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Explanation:
The state that a given substance exhibits is also a physical property. Some substances exist as gases at room temperature (oxygen and carbon dioxide), while others, like water and mercury metal, exist as liquids. Most metals exist as solids at room temperature. All substances can exist in any of these three states. Figure 3.3.2 shows the differences among solids, liquids, and gases at the molecular level. A solid has definite volume and shape, a liquid has a definite volume but no definite shape, and a gas has neither a definite volume nor shape.
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Answer:
B. Occupies definite volume
Explanation:
All the other properties are correct but B. option is wrong because gas has a property that it can expand or contract. Thus, they don't have a definite volume.