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.
How many participants from India won the gold medal in the 14th International Olympiad on Astronomy and Astrophysics (IOAA) 2021?
Defence Research and Development Organisation (DRDO) Industry Academia Centre of Excellence (DIA-CoE) took place at __________________ .
Which type of union is based on class consciousness rather than trade consciousness?Â
The speed of a bike increases by 4 km/hr after every 1 hour. If the distance travelled by the bike in 1st hour is 16 km, the find the total distance tra...
Consider the following statements about Finance Commission:
1. The Finance Commission is constituted under Article 280 of the Constitution.
Which one of the following bodies has formulated the 'National Student Startup Policy', launched by the President of India in November 2016?
Which of the following is not an example of a redox reaction?
(i) ZnO + C → Zn + CO
(ii) MnO₂ + 4HCl → MnCl₂ + 2H₂ O + Cl₂
... What is the penalty for engaging in unfair labour practices under the Industrial Disputes Act, of 1947?Â
I.Imprisonment for a term not exceedi...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 16 km/hr and 14 km/hr, respectively. If the distance covered by ‘A�...
A tank whose length, width and height are 23 metres, 20 metres and 15 metres respectively is completely filled with juice. If the juice costs Rs.4/m
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