A flask was filled with {tex}CCl_4{/tex} vapours at a particular temperature and pressure. These vapours were then replaced by oxygen gas at the same temperature and pressure, the mass of {tex}CCl_4{/tex} vapours will be
The sequence of ionic mobility in aqueous solution is
The rate of a First order reaction 0.04 {tex}mol^{-1} S^{-1}{/tex} at 10 seconds 0.03 {tex}mol^{-1} s^{-1}{/tex} at 20 seconds after intiation of reaction. The half life period of the reaction is
A beaker containing a liquid appears to be half when it is actually two third full. The refractive index of liquid is
A binary compound of elements X and Y contains 50% of X. If the atomic masses of X and Y are 10 and 20 and the molecular mass of the compound is 120, the molecular formula of the compound is
The average monthly salary of workers in a factory is Rs. 206. If the average monthly salary of males and females are Rs. 210 and Rs. 190 respectively, the percentage of female employed in the factory is
Any point on the hyperbola (x+1)2/16 - (y-2)2/4 = 1 is of the form
Basic properties of {tex}TiO_2, ZrO_2{/tex} and {tex}HfO_2{/tex} are in the order:
Two bodies are thrown vertically upwards with their initial speeds in the ratio 2 : 3. The ratio of the maximum heights reached by them and the ratio of their time taken by them to return back to the ground respectively are
If α, β, γ are the angles made by a straight line with the coordinate axes, then sin2α+sin2β+sin2γ is
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