Question
When a detergent is added to pure water, its surface
tension –Solution
When Soaps and detergents are added to water, they weaken the strength of the skin on the water's surface due to surface tension by interfering with hydrogen bonding between water molecules. It happens because the polar end of the soap or detergent is also attracted to the water, thereby decreasing the surface tension.
Dohra Abhishap is an autobiography of?
Who among the following Indian film directors/actors was honoured with the Order of the British Empire (OBE) in year 2004?
Without stopping the speed of the train is 150 kmph, with stopping the speed of the train is 80 kmph.Find the stop time of the train?
A cube has six faces, each of a different colour. The red face is opposite to black. The green face is between red and black. The blue face is adjacent...
If the roots of the quadratic equation 7y² + 5y + 9 = 0 are α and β, then find the value of [(1/α) + (1/β)].
Using 'lower of cost and net realisable value' for the purpose of inventory valuation is the implementation of which of the following concepts?
A merchant sold some oranges for 3 rupees. He bought the same number of oranges for 2 rupees. If he wants to make a profit of 20%, at what price should ...
Two circles are externally tangent to each other. The first circle, centered at X, has a radius of 8 cm, while the second circle, centered at Y, has a r...
Who appoints the Insurance Ombudsmen?
Consider the following statements:
1. The World Bank assigns the world’s economies to four income groups, low, lower-middle, upper-middle, and ...
