The dyes present in fountain pen ink can be separted by the the process of:
Statement : The sales of ballpoint pens manufactured by company Lixus have gone down considerably ever since the same company introduced a gel-ink pen in the market. Course of action I. Ball point pens should not be manufactured by Lixus anymore. II. Lixus should immediately withdraw all gel-ink pens from the market so as to force people to buy ball point pens.
Ink glands produce a jet of black ink which acts a smoke screen to dodge the attacking enemy. Such glands are found in
An astronaut tries to fill ink in an ink pen in an artificial satellite . The ink
Which type/types of pen uses/use capillary action in addition to gravity for flow of ink?
A barrel of a fountain pen,cylindrical in shape, is 7cm long and 5mm in diameter.A full barrel of ink in the pen will be used up when writing 310 words on the average,if a bottle of ink containing one-fifth of a litre then the number of words that can be formed is