Chromatography is a physical method that is used to separate and analyze?a) Simple mixturesb) Complex mixturesc) Viscous mixturesd)none of these In chromatography, which of the following can the mobile phase be…
Which of the following element act as an inert electrode (PPSC 2017)?a) Cub) Agc) Ptd) None If electricity is passed through a CuSO4 solution by using a Pt electrode then which…
1- Highest pH will be recorded for which of the following solutions if they are equimolar (PPSC 2017)?a) AlCl3b) LiClc) BeCl2d) BaCl2 2- On increasing the concentration of reactants in a…
dipole moment is a vector and its direction is?from positive to negative polefrom negative to positive poleit is a scalar and have no direction at allnone of these 1C charge have…
degree is the unit of angular displacement in?M.K.SF.P.SSINONE OF THESE which side of ball have lower pressure while bowler wants to swing the ball?upperlowerboth sides have samenone of these Bernoulli's equation…
21.The central spot of newton ring is __ due to transmitted light:?darkbrightmay be both 22.A path difference 3λ /4 is equal to the phase change of:?pi radpi/2 rad3pi/4 rad3pi/2 rad When…
Resolving power of lens or microscope will be greater if wavelength of light and Diameter of lens will be?Smaller, smallerLarger, smallerNonesmaller, larger If an object is placed b/w F and 2F…
Q no 26. if a body is moving with angular velocity in anticlockwise direction then if its speed decreases the direction of angular acceleration will be?along + axisalong - z axisnone…
Q no1.Scalar Triple product of two vector is a?Scalar QuantityVector QuantityMay be bothNone Q no2.If vectors A,B,C represents the sides of a parallelepiped then their scalar triple product will be?A vector…
Q 1:The minimum number of equal vectors whose sum is to be zero are?234Any number may be The minimum number of unequal vectors whose sum can be zero are?124None of these…