List of practice Questions

A body moves along a straight line with acceleration 3 ms-2 for 2 seconds and then with acceleration 4 ms-2 for 3 seconds. What is his average acceleration ?
Two bodies are projected at angles e and (90°-θ) to the horizontal with the same speed. The ratio of their times of flight is
The dimensional formula for permittivity of free space (80) in the equation F=\(\frac{1}{4\pi{e_0}}\)\(\frac{q_1q_2}{r^2}\) where, symbols have their usual meaning is
Identify the correct statement.
Identify the monomers from the following.
Hydrolysis of cyanohydrin derivative produces
Which of the following do not contain carbon-oxygen double bonds?
Chloroethane reacts with X to give diethyl ether. The compound X is
How do you distinguish chlorobenzene A C from benzyl chloride ?
The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium constant for the reaction of the cell is
The potential of a hydrogen electrode at pH=10 is
Which of the following electrolytic solutions has the least specific conductance?
Dissolving 120 g of urea in 1000 g of water gave a solution of density 1.15g/mL. The molarity of the solution is
A 5.2 molal aqueous solution of methyl alcohol, CH3OH is supplied. What is the mole fraction of methyl alcohol in the solution?
58.5 gm of NaCl and 180 gm of glucose were separately dissolved in 1000 ml of water. Identify the correct statement regarding the elevation of boiling point (b.p.) of the resulting solutions.
Reaction of acetone with HCN gives
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is
Alkyl halides react with dialkyl copper reagents to give
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating?
When 2-butyne is treated with Pd BaSO4; the product formed will be
Which of the following has highest knocking effect in IC engine?
Which of the following acids does not exhibit optical isomerism ?
Which of the following reactions will not result in the formation of carbon-carbon bond?
Which one of the following is an example for homogenous catalysis ?
Among the electrolytes Na2SO4. CaCl2, Al2(SO4)3 and NH4 Cl, the most effective coagulating agent for Sb2S3, sol is