Fill in the following blanks with suitable words -a Gases can be liquefied by applying - - - and lowering -b When steam condenses to form water- heat is -c Temp on Kelvin scale - Temp on Celsius scale -wd Scientists say that there are actually five states of matter - solid- liquid- gas- - and -e The state of matter called - makes a fluorescent tube or neon sign bulb to glow-

(a) Gases can be liquefied by applying high pressure, nbsp;and lowering temperature. (b) When steam condenses to form water, heat is released. (c) Temp. on K ...

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Standard IX

Chemistry

Effect of Change of Temperature on State Change of Matter

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Question

Fill in the following blanks with suitable words :
(a) Gases can be liquefied by applying ....................... and lowering .....................
(b) When steam condenses to form water, heat is .......................
(c) Temp on Kelvin scale = Temp on Celsius scale + ........................
(d) Scientists say that there are actually five states of matter : solid, liquid, gas, .................... and ...................
(e) The state of matter called ........................ makes a fluorescent tube (or neon sign bulb) to glow.

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Solution

(a) Gases can be liquefied by applying high pressure, and lowering temperature.
(b) When steam condenses to form water, heat is released.
(c) Temp. on Kelvin = Temp. on Celsius scale + 273
(d) Scientists say that are actually five states of matter: solid, liquid, gas, plasma and Bose Einstein condensate.
(e) The state of matter called plasma makes a fluorescent tube (or neon sign bulb) to glow.

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Similar questions

Fill in the following blanks with suitable words :

(a) Gases can be liquefied by applying ______and lowering______

(b) When steam condenses to form water, heat is ______

(d) Scientists say that there are actually five states of matter :solid, liquid, gas,______and______

(e) The state of matter called ______makes a fluorescent tube (or neon sign bulb) to glow

Q. The scientists now say that there are actually five states of matter A, B, C, D and E. The state A has a fixed volume but no fixed shape. The state B can be compressed very easily by applying pressure and state C has a fixed shape as well as a fixed volume. The state D is a mixture of free electrons and ions whereas state E is named after an Indian scientist and a famous physicist.

(a) Name the physical states (i) A (ii) B (iii) C (iv) D, and (v) E
(b) Name one substance belonging to state C which can directly change into vapours on heating. What is this process known as ?
(c) Name one substance which normally belongs to state B but whose solid form changes directly into gaseous state.
(d) Name the most common substance belonging to state A.
(e) Which state of matter makes the sun and other stars to glow ?

Q. There are three states of matter: solid, liquid and gas. Select one property that liquids and gases have in common.

Q. Fill in the following blanks with suitable words :
(a) The best evidence that the particles of matter are constantly moving comes from the studies of ................. and ...................
(b) The smell of perfume gradually spreads across a room due to .....................
(c) Solid, liquid and gas are the three ........................ of matter.
(d) At room temperature, the forces of attraction between the particles of solid substances are ....................... then those which exist in the gaseous state.
(e) The arrangement of particles is less ordered in the ...................... state. However, there is no order in the ..................... state .

Fill in the following blanks with suitable words :

(a) The best evidence that particles of matter are constantly moving comes from the studies of ______and___

(b) The smell of perfume gradually spreads across a room due to ___

(d) At room temperature, the forces of attraction between the paricles of solid substances are ___then those wchich exist in the gaseous state.

(e) The arrangement of particles is less orderd in the ___state . However, there is no order in the ___ state.

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