Q1.The nitrogen containing organic compound, when heated with copper oxide in an atmosphere of carbon dioxide, yields:
Answer : Option CExplaination / Solution:
The nitrogen containing organic compound, when heated with copper oxide in an atmosphere of carbon dioxide, yields free nitrogen
Q2.Lithium has most negative E0value,its reaction with water is less vigorous than that of sodium which has the least negative E0 value among the alkali metals. The reason is
Answer : Option DExplaination / Solution: Li due its small size have high Lattice energy value which compensates its high ionization energy so has most negative E0 value
Q3.Bandwidth of an electronic communication system
Answer : Option CExplaination / Solution:
A range within a band of wavelengths, frequencies, or energies; especially : a range of radio frequencies which is occupied by a modulated carrier wave, which is assigned to a service, or over which a device can operate.
Q5.What was the motive behind the de-industrialisation by the colonial Govt. in India?
Answer : Option AExplaination / Solution:
The two-fold motive behind the systematic deindustrialization effected by the British (i) Making India a Supplier of Raw Materials. (ii) Making India a Market for Finished Goods Another important objective of the British Government.
Q9.Which of the following algebraic operations on vectors not permissible?
Answer : Option AExplaination / Solution:
Although vectors and scalars represent different types of physical quantities, it is sometimes necessary for them to interact. While adding a scalar to a vector is impossible because of their different dimensions in space, it is possible to multiply a vector by a scalar.