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तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour. Reason: Boiling point of water is 10°C. - Science

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प्रश्न

Assertion: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.

Reason: Boiling point of water is 10°C.

विकल्प

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If assertion is false but reason is true.

MCQ
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उत्तर

If assertion is true but reason is false.

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अध्याय 7: Heat - Exercise [पृष्ठ ८९]

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सामाचीर कलवी Science [English] Class 9 TN Board
अध्याय 7 Heat
Exercise | Q III. 3. | पृष्ठ ८९

संबंधित प्रश्न

Write down the temperature of upper fixed point,, on the Fahrenheit scale.


Write down the body temperature of a healthy person.


Fill in the blank:

°C is the unit of ......................


Temperature is the measures of the ______ Kinetic energy of the atoms in a substance.


Draw a diagram showing the temperature of various layers of water in an ice covered pond. 


A body radiates out 300 calories of heat energy. How much heat energy is radiated out by the body in joules?


Write down the SI unit of latent heat.


A small gap is left between two iron rails of the railway track. Why?


What is the relation between α and γ?


How can you increase the sensitivity of a thermometer?

State the temperature of the ice point and steam point on the Fahrenheit scale.

Among solids ebonite and asbestos are the worst conductors of heat. Is it a correct statement?

Where am I?

The mean annual temperature around me is 10°C.


Who am I?

Land and water get heated due to me.


Suppose your normal body temperature were lower than what it is. How would the sensation of hot and cold change?


If the temperature of a liquid in a container is decreased, then the interatomic distance will ______.


The dimensions of a substance are increased if the temperature of the substance is decreased.


The temperature and heat are ______ quantities.


If you keep ice at 0° C and water at 0° C in either of your hands, in which hand you will feel more chillness? Why?


Why are burns caused by steam more painful than those caused by boiling water at the same temperature?


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