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CBSE Notes 2011-2012 » IX-Science

Matter in our Surroundings

During summer, water kept in an earthen pot becomes cool because of the phenomenon of

Multiple choice question

During summer, water kept in an earthen pot becomes cool because of the phenomenon of

A few substances are arranged in the increasing order of'forces of attraction' between their particl...

Multiple choice question

A few substances are arranged in the increasing order of'forces of attraction' between their particles.
Which one of the following represents a correct arrangement ?

On converting 25

Multiple choice question

On converting 25

Choose the correct statement of the following

Multiple choice question

Choose the correct statement of the following

The boiling points of diethyl ether, acetone and n-butyl alcohol are 35

Multiple choice question

The boiling points of diethyl ether, acetone and n-butyl alcohol are 35

Which condition out of the following will increase the evaporation of water ?

Multiple choice question

Which condition out of the following will increase the evaporation of water ?

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