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Steam supply for experiments in heat
A tin with a press-on lid may be used to make a steam can. Punch two holes in the lid and solder by them one long and one short pipe as shown in the diagram. The long pipe serves as a safety valve and the short single supplies steam to the experiment (by a rubber tube attached). When the tin leaks or becomes rusty the similar lid may be transferred to a same tin.
what organic compounds can be separated by simple distillation
short note on vulcanization of rubber.
The wave nature of an electron was first given by: (1) De-Broglie (2)Heisenberg (3)Mosley (4)Sommerfield Ans: De-Broglie
Describe the process involved inthe Dewar method of separation of inert gases?
mixture of sulphur carbon and kmno4 is named what
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consi
why beryllium cannot be attacked readily by acid
Formation of phenol by dizonium solt #Minimum 100 words accepted#
Draw the important resonance contributors for the benzenoium intermediate in the bromination of aniline and explain why ortho, para substitution predominates ?
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