Which of the following statements regarding oxidation and reduction are correct?
1In oxidation, loss of electron takes place whereas in reduction, gain of electron takes place.
2.In oxidation, gain of electron takes place whereas in reduction, loss of electron takes place.
3.Oxidizing agent decreases the oxidation number but reducing agent increases the oxidation number.
4.Oxidizing agent increases the oxidation number but reducing agent reduces the oxidation number
1 and 3
2 and 4
2 and 3
1 and 4
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