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प्रश्न
Give reasons for the following:
Sugar can be distinguished from talcum powder using water.
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उत्तर
Sugar is soluble in water whereas talcum powder is not.
संबंधित प्रश्न
Give two example of the following:
The substances which do not change their state on heating.
When sodium chloride is added to a definite volume of water and stirred well, a solution is formed, but there is no increase in the level of water. Why?
What are the two conditions for the interconversion of states of matter ?
Even two or three crystals of potassium permanganate can impart colour to a very large volume of water. Which characteristic of particles of matter is illustrated by this observation?
Give reasons for the following:
Solids have a definite shape and are highly rigid while gases have to definite shape and are least rigid.
Complete the statement given below by selecting the correct word.
The space between atoms in gases is maximum while in ____ is minimum,
Fill in the blank with the correct word Given below.
The space between atoms’ [molecules] of solids is ____
Select the correct answer from A, B, C, D & E for the statement given below:
The state of matter, where the inter-particle attraction between particles is maximum.
In a glass containing some water, tamarind juice and sugar are added and stirred well. Is this a mixture? Can you tell why? Will this solution be sweet or sour or both sweet and sour?
You are provided with a mixture of naphthalene and ammonium chloride by your teacher. Suggest an activity to separate them with well labelled diagram.
