General Physica...

Select the mismatched pair.

The atmosphere of planet 'X' is made up of carbon dioxide. Chemical reactions between the atmosphere and the surface of 'X' make clouds of sulphuric acid. The sulphuric acid rain never reaches the ground, but is evaporated by the heat before reaching the surface in a phenomenon known as virga.
Name the planet 'X' mentioned in the above paragraph.

Which is the most abundant element in our universe?

An earthquake of magnitude $$3$$ on Richter scale is ________.

Which of the following is the brightest star in the night sky?

Which of the following is the nearest star to the Earth after Sun?

The area around the equator is of intense low pressure where the prevailing winds are calm, particularly in the Atlantic and Pacific Oceans. Indeed, the term has a nautical history. What is it called colloquially?

Arrange the given planets according to their size in descending order. Saturn, Neptune, Venus, Mars

The Longitude that determines India Standard Time passes through ______.

The celestial bodies which revolve around the Sun between the orbits of Mars and Jupiter are called