Which one of the following statements is not correct?
All carbons in diamond are linked by carbon-carbon single bond.
Graphite is layered structure in which layers are held together by weak van der Waals forces.
Graphite layers are formed by hexagonal rings of carbon atoms.
Graphite layers are held together by carbon-carbon single bond.
For election to the Lok Sabha, a nomination paper can be filed by
Miscellaneous · Easy
In a month if the seventh day is three days earlier than Saturday,then the nineteenth day of the month will be a
Miscellaneous · Easy
Which among the following events happened earliest ?
Miscellaneous · Easy
An 80-litre solution of alcohol and water has 75% alcohol. How much water (in litres) must be added to bring down the concentration of alcohol to 60%?
Miscellaneous · Easy