List of practice Questions

What is the value of $\cot ( - 870^{\circ})$ ?
What is the shape of the graph between the speed and kinetic energy of a body?
What is the total number of species present on earth as estimated by Robert May ?
What is the valency of carbon in $CO^{2-}_3$ ?
What is the probability that an ordinary year has $53$ Tuesdays?
What is the problem faced while using alitame as artificial sweetener?
What is the reciprocal of $3+\sqrt{7}\,i$ ?
What is the principle Involved in the working of Rocket
What is the polar form of the complex number $\left(i^{25}\right)^{3}$ ?
What is the oxidation number of Fe in $Fe(CO)_5$?
What is the percentage of acetic acid present in vinegar?
What is the order of forbidden energy gap for semiconductors ?
What is the order of stability of $N_2$ and its ions?
What is the name of the complex $[Al(OH)_2(H_2O)_4]SO_4$?
What is the net charge on ferrous ion?
What is the number of ways of choosing $4$ cards from a pack of $52$ playing cards? In how many of these, four cards are of the same suit?
What is the name and symbol of the element with atomic number $112$?
What is the most likely configuration of the cobalt d-electrons for the species, $[CoCl_6]^{3-}$ and $[Co(NO_2)_6]^{3-}$?
What is the IUPAC name of $Na_2[Fe(CN)_5NO]$?
What is the length of the perpendicular from the origin to the plane $ax + by + \sqrt{2ab} z = 1$ ?
What is the full form of IUDs?
What is the heat of solution of sodium chloride from following data? Hydration energy of $Na^+ = - 389.4\, kJ\, mol^{-1}$ Hydration energy of $Cl^- = - 382.3\, kJ\, mol^{-1}$ Lattice energy of $NaCl = - 776 \,kJ \,mol^{-1}$
What is the formal charge on carbon atom in the following two structure:
What is the fractional error in $g$ calculated from $T=2\pi\sqrt{\frac{l}{g}}$ if it is given that fractional errors in $T$ and $l$ are $\pm x$ and $\pm y$, respectively?
What is the fate of primary xylem in a dicot root showing extensive secondary growth?