Top 3 amazing facts । narayan । gs । gk । #shorts

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Identify(A) based on followihng facts : a. A reduces HgCl_(2) solution to white ppt. charging to grey . b. (A) turns FeCl_3 yellow colured solution to green . c. (A) givewhite pot, with NaOH soluble ine xcess fo NaOH . ltrgt d. (A) gives yellow dirty ppt. on passing H_2S gs , soluble in yellow ammium sulpjde (YAS). e. (A) gives chromyl chloride test .

Dev can hit a target 3 xx in 6 shorts Pawan can hit the target 2 xx in 6 shorts and Lakhan can hit the target 4 xx in 4 shorts. What is the probability that at least 2 shorts hit the target (2)/(3) (b) (1)/(3) (c) (1)/(2) (e) None of these

Who is the exponent of the theory of economic drain of India during the British rule ? (1) Dadabhai Naoroji (2) M.N. Roy (3) Jai Prakash Narayan (4) Ram Manohar Lohiya

The electric potential at a distance of 3m on the axis of a short dipole of dipole moment 4 xx 10^(-12) coloumb -metre is

If the angles of depression of the top and bottom of a short building from the top of a tall building are 30^(@) and 60^(@) respectively,then the ratio of the heights of short and tall building is