Which one of the following statements about the cleansing action of soap is not true?
The oil and dirt gets collected in the centre of the micelle.
Soap micelles scatter light.
Soaps are ammonium salts of long chain carboxylic acids.
Soap forms insoluble precipitates with the calcium and magnesium ions in hard water.
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