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Helium is used for filling weather balloons because: 1. Helium gas is lighter than air and it has lesser density as compared to the air. So, we observe that the balloon starts rising upwards and this is because of its less density than air i.e. about one-eighth times lesser than air. 2. It is inert and non-flammable and therefore does not react with air or surroundings or gets explode.
What is the penalty for the first violation according to the Coaching Centre New Guidelines?
Rajendra I was the son of which of the following Chola kings?
As per Nov 2020, How many countries have membership in the World Trade Organisation?
Which of the following diseases CANNOT be prevented by vaccination?
The United Nations estimated the number of poor people in India to be around _______ million in 2019.
The series of coalescing alluvial fans along a mountain front is called a:
Who among the following revolutionary leaders was associated with the assassination of Curzon-Wyllie in London in 1909?
How many cities of the host state hosted the National Games 2023?
Mango showers are:
What are the elements in group zero commonly known as?
