List of practice Questions

In the following chemical reaction: $ {Ag_2O + H_2O + 2e^{-} -> 2Ag + 2OH^{-}} $
In the following compounds The order of acidity is
In the following decomposition reaction $ {2H_2O ->[\Delta] 2 H_2 + O_2}$
In the extraction of aluminium from bauxite, cryolite is used to
In the extraction of copper from its sulphide ore, the metal is finally obtained by the reduction of cuprous oxide with:
In the $F_2$ generation of a Mendelian dihybrid cross the number of phenotypes and genotypes are
In the figure a block of weight $60\,N$ is placed on a rough surface. The coefficient of friction between the block and the surface is $0.5$. The weight $W$ such that the block does not slip on the surface is
In the disproportionation reaction $ {3 \, HClO_3 -> HClO_4 + Cl_2 + 2 O_2 + H_2O}$ the equivalent mass of the oxidising agent is (molar mass of $ {HClO_3 = 84.45}$)
In the electrolysis of dilute $H_2SO_4$ using platinum electrode
In the embryos of a typical dicot and a grass, true homologous structures are
In the coordination compound $K_4[Ni(CN)_4]$, the oxidation state of nickel is
In the cubic close packing, the unit cell has
In the dead beat galvanometer, the coil is wound on a frame made of :
In the Diagram given figure of Lac operon
In the common emitter configuration of n-p-n transistor $10^{10}$ electrons enter the emitter in 1 $\mu s$ and 2% of the electrons are lost to the base, the current gain of the amplifier is
In the complex $[Pt(py)_4] [PtCl_4]$, the oxidation numbers of Pt atom in former and later part of the compound are respectively
In the compounds $ {KMnO_4}$ and $ {K2Cr2O7}$ the highest oxidation state is of the element :
In the conversion of pyruvic acid to acetyl coenzyme A, pyruvic acid is
In the blast furnace (extraction of iron) the highest temperature is in
In the Bohr model of the hydrogen atom, the lowest orbit corresponds to
In tea plantations and hedge making, gardeners trim the plants regularly so that they remain bushy. Scientific explanation behind this is
In test for primary amines, the amine is treated with $ {CHCl_3}$ and KOH and a bad smelling compound is formed. If the primary amine used is ethylamine, identify the bad smelling compound formed?
In the above graph, point B indicates
In the above question the iso-profit line is
In taxonomic hierarchy, cats are placed under the Genus