give the answers of these questions 5 and 6
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Answer:
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5) option (a)-25°
6)option(a)-water at room temperature is liquid.
Extra:(a) 25°C, the physical state of water is a liquid. (b) 0°C, the physical state of water can be either a solid or a liquid.
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Answer:
5.(a) liquid
(b) solid-state,.i.e, ice
(c) Gaseous
Explanation:
6.
1.At room temperature (anywhere from zero degree centigrade to 100 degrees centigrade), water is found in a liquid state. This is because of the tiny, weak hydrogen bonds which, in their billions, hold water molecules together for small fractions of a second. Water molecules are constantly on the move.
2.An iron almirah is a solid at room temperature because its melting point as well as boiling point is above room temperature. Similarly, (i) An iron almirah is rigid and has a fixed shape. (ii) The density of metal is quite high. Hence, iron almirah is a solid at room temperature
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