Question

Q.1: Sanjeev’s mother brought some tablets of camphor from bazaar and put these in open container. After few days
sanjeev notice that size of camphor tablets decreased. Under which phenomenon it happened option :1evaporation 2sublimation 3convenxationd 4transpiration please tell me write option​

Answer 1

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$\mathbb{ANSWER}$$\textsc{Sanjeev’s mother brought some tablets of camphor from bazaar and put }$these in open container. $\textsc{After few days Sanjeev notice that size of camphor}$$\textsc{ tablets decreased. This happened under the phenomenon of Sublimation.}$

$\mathbf{Extra \:Information:}$

Sublimation - $\to\textsf{Sublimation is the change of state of matter from solid state to gas state.}$ $\to \textsf{Substance changes from solid state to gas state without even passing liquid state.}$

$\to\textsf{Sublimation is an endothermic process i.e. it takes heat from surrounding.}$

$\to\textsf{When a substance changes from gas state to solid state it is called desublimation or deposition.}$

$\texttt{Examples of Sublimation}$  $\text{-Dry Ice, Moth balls, Camphor etc.}$

$\texttt{Examples of Desublimaton}$  $\text{-Soot formation in chimneys, Formation of frost etc.}$

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Answer 2

❍ Understanding the concept :

• → Sanjeev’s mother brought some tablets of camphor from bazaar and put these in open container. After few days sanjeev notice that size of camphor tablets decreased. Under Sublimation phenomenon it happened .

❍ Reason Behind this Phenomenon :

• → The size of camphor decreases day by day because sublimation takes place in the camphor, which in result decreases the size of camphor.

• → After few day camphor will Vanish completely Leaving no Residue .

❍ Sublimation :

• → Sublimation is the transfer of a substance state directly from the solid to the gas state, without converting into the liquid state.

• → The whole Phenomenon take place under Sublimation Process !

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