List of practice Questions

If $\alpha$ is the fraction of HI dissociated at equilibrium in the reaction, ${ 2HI(g) <=> H_2(g)+I_2(g)}$ starting with the 2 moles of HI, then the total number of moles of reactants and products at equilibrium are
Which of the following is the least stable and its existence is doubtful ?
An aqueous solution $FeSO_4 . Al_2(SO_4 )_3$ and chrome alum is heated with excess of $Na_2 0_2$ and filtered. The materials obtained are
A shell is fired from a cannon with a velocity v (m/s) at an angle 0 with the horizontal direction. At the highest point in its path it explodes into two pieces of equal mass. One of the pieces retraces its path to the cannon and the speed (m/s) of the other piece immediately after the explosion is
Hydrolysis of one mole of peroxodisulphuric acid produces
Which one of the following oxides is neutral ?
A dilute aqueous solution of $ Na_2SO_4 $ is electrolysed using platinum electrodes. The products at the anode and cathode are respectively
Which of the following ion in aqueous medium has orange colour?
Which of the following acids, will be able to give silver mirror test?
Which is a true fish?
What is the oxidation number of chromium in chromyl chloride?
The power of water pump is 4 kW. The volume of water it can raise in one minute to a height of: (Assume $ g=10\,m/{{s}^{2}} $ )
The number of possible optical isomers of lactic acid are:
The molar conductivity of an aqueous solution of strong electrolyte:
In a plant cell, starch is stored by:
Gigantism and acromegaly are due to improper functioning of:
Fishes, amphibians and reptiles have in common:
Ethyl amine reacts with $ HN{{O}_{2}} $ to give:
Emulsifier is an agent which:
Ureotelic animals excrete out:
Which of the following stages is the longest in animals?
Which one of the following organs are homologous?
Which of the following pairs of specific names belongs to same common genus?
An experiment to prove that organic compounds were the basis of life was performed by:
What causes the liquid part of blood filter out form glomerulus into the renal tubule?