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The boiling points of alkanes increase with increase in molecular mass and for the same alkane, the boiling point decreases with branching. In the given question, all have the same number of C atoms but option 2 and 4 are branched compounds, hence, they will definitely have lower boiling point than butane and octane which are straight chain. Octane is a straight-chain compound that has a large surface area than butane. So, there are more van der Waals forces of attraction resulting in a high boiling point.
A computer cannot "boot" if it does not have the ______________.
The data storage hierarchy consists of:
In respect to the Web, what is an ontology?
A file name extension for Word 2007 files is ___.
The transfer between CPU and Cache is ______________
In Fourth Generation Computer which type of Storage devices is used?
A computer network which is used within a building is called a:
POP3 and IMAP are e-mail accounts in which
What is the main purpose of formatting a storage device?
Which of the following features of a word processor enables you to automatically move to the next line when you fill a line with text completely?
