Oct 8, 2019 | Chemistry, Class XI, IIT JEE, NEET
1. A sample of gas occupies 10 L under a pressure of 1 atm. What will be its volume if the pressure is increased to 2 atm? Assuming that the temperature of the gas sample does not change- (i) 2 L (ii) 5 L (iii) 10 L (iv) 1 L 2. A gas at a pressure of 5 atm is heated...
Sep 17, 2019 | Chemistry, SSC
This section consists of objective questions of Physical Chemistry (States of Matter, Atomic Structure, Nuclear Fusion & Fission, Radioactivity, etc.), Inorganic (Metals & Non-Metals, etc.) and Organic Chemistry. If needed any correction, Feel free to write to...
Sep 16, 2019 | Chemistry, Physics
Quantum Mechanics? A set of four numbers which help us to get the complete information about the electrons in an atom. It gives us information about its location, orientation, and type of orbital and its energy. The four Quantum numbers are- Principal Quantum Number...
Jul 15, 2019 | Chemistry, SSC
Introduction Nitrogen is the most abundant element found in the earth’s atmosphere i.e. 78 percent. Nitrogen cannot be absorbed directly by the plants and animals until it is converted into compounds they can use. Plants take Nitrogen in the form of Nitrate. Nitrogen...
