मराठी
सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Fill in the Blanks with the Correct Words of the Statement Given Below: During Sublimation, a Solid on Heating Turns Directly into _________ and on Cooling Back to __________. - Chemistry

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प्रश्न

Fill in the blanks with the correct words of the statement given below:

During sublimation, a solid on heating turns directly into _________ and on cooling back to __________.

रिकाम्या जागा भरा

उत्तर

During sublimation, a solid on heating turns directly into vapour and on cooling back to solid.

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पाठ 2: Physical and Chemical Changes - Objective Type Questions

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विराफ जे. दलाल New Simplified Middle School Chemistry [English] Class 7
पाठ 2 Physical and Chemical Changes
Objective Type Questions | Q 4.3

संबंधित प्रश्‍न

Convert the following temperature to the Kelvin scale.

25°C


What is the physical state of water at 0°C.


Give the usual name for the following :

Heat required to change the state of a substance without changing the temperature.


What is the chemical name of dry ice ?


Fill in the following blank with suitable words :

Gases can be liquefied by applying ....................... and lowering .....................


Fill in the following blank with suitable words :

When steam condenses to form water, heat is .......................


Differentiate between: Melting and boiling 


Give reasons:

Why a solid does not flow, but a liquid flows?


Water cycle is an example of interconversion of states of water. Explain


Write whether the following statement is true or false:

Solids have the larger inter-molecular space


Name the phenomenon which causes the following changes:

Formation of water vapour from water


Name the phenomenon which causes the following changes:

Conversion of water into steam


A kind of matter which can sublime is


Explain the term melting


Explain the term vaporization


State the property of the following substance.

Lead chloride reacts with barium sulphate to give a white precipitate of lead sulphate.


What is it made from? Why?

The sheets used for roofing.


What will happen if....? And why?

A bell is made of wood.


Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.

During liquefaction, the particles ________ energy.


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