Question
Which of the following is NOT a physical
change?Solution
The fermentation of substances is NOT a physical change; it is a chemical change. The other processes (liquefaction, vaporization, and melting) are physical changes.
Through which launch vehicle did ISRO deploy an Earth Observation Satellite in August 2024?
100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture?
_________ is a good conductor of heat, but a bad conductor of electricity.
What causes the permanent hardness of water?
Insulin hormone is secreted by which of the following organ?
What was the main goal of the MoU signed between ARIES and IRDE in May 2025?
Who pioneered the development of electroencephalography?
Thiamine deficiency may result in:
Where did the infamous Black Hole Tragedy occur?
Sequencing of ‘human genome’ was successfully done in the year
