NEET questions
18092 published questions with worked solutions.
- An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The...
- The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and...
- The total energy of an electron in the first excited state of hyrogen is about - 3.4 eV. Its kinetic energy in this state is :
- For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is :
- A ball is thrown vertically upward. It has a speed of 10 m/s when it has reached one half of its maximum height. How high does...
- At 25°C, the dissociation constant of a base, BOH, is 1.0 x 10^ -12 . The concentration of hydroxyl ions in 0.01 M aqueous...
- Which one of the following pairs represents stereoisomerism ?
- The correct order in which the O — O bond length increases in the following is :
- The mass of carbon anode consumed (giving only carbondioxide) in the production of 270 kg of aluminium metal from bauxite by the...Not in JEE Main or NEET syllabus
- The number of moles of KMnO_ 4 reduced by one mole of KI in alkaline medium is :
- Which of the following molecules has trigonal planar geometry ?
- The aqueous solution containing which one of the following ions will be colourless ? (Atomic no. : Sc = 21, Fe = 26, Ti = 22, Mn...
- Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is...
- A reaction occurs spontaneously if :
- The correct sequence of increasing covalent character is represented by :
- What is the correct relationship between the pHs of isomolar solutions of sodium oxide (pH_ 1 ), sodium sulphide (pH_ 2 ), sodium...
- Which of the following pairs of a chemical reaction is certain to result in a spontaneous reaction ?
- The vapour pressure of two liquids P and Q are 80 and 60 torr, respectively. The total vapour pressure of solution obtained by...
- For a first order reaction A → B, the reaction rate at reactant concentration of 0.01 M is found to be 2.0 x 10^ -5 mol L^ -1 s^...
- The absolute enthalpy of neutralisation of the reaction : MgO(s) + 2HCl(aq) → MgCl_ 2 (aq) + H_ 2 O(l) will be :