List of practice Questions

The value of $\int \limits \frac {(x^2-1)dx}{x^3 \sqrt {2x^4-2x^2+1}} $ is

Cricket bat is made from the wood of:

When calcium acetate is distilled, it will produce which of the following compound?

Which of the following electronic configuration represents noble gas?

The time of reverberation of a room $A$ is one second. What will be the time (in seconds) of reverberation of a room, having all the dimensions double of those of room $A$ ?

Both sickle cell anaemia and Huntington? chorea are

A tuning fork $A$ produces $4$ beats per second with another tuning fork $B$ of frequency $320\, Hz$. On filing one of the prongs of $A, 4$ beats per second are again heard when sounded with the same fork $B$. Then the frequency of the fork $A$ before filing is

Which among the following species have the same number of electrons in its outermost as well as penultimate shell?

$C_{6} H_{5}-C H=C H C H O \xrightarrow{X} C_{6} H_{5} C H=C H C H_{2} O H$ In the above sequence $X$ can be:

For a reaction $H _{2}+ I _{2} \rightleftharpoons 2 HI$ at $721\, K$, the value of equilibrium constant is $50$. If $0.5$ moles each of $H_{2}$ and $I_{2}$ is added to the system, the value of equilibrium constant will be:

The ability of a given substance to assume two or more crystalline structure is called :

Which of the following is dihydric alcohol?

What is the oxidation state of $P$ in $Ba(H_{2}PO_{2})_{2}$ ?

Which of the following molecules has pyramidal shape?

Number of isomers possible for $C_{4}H_{8}O$ is

Which of the following is not a parasitic protozoa ?

Which of the following is not a reflex action ?

Which of the following oxide of nitrogen is most thermally stable?

Which of the following statements is incorrect?

Which of the two parts in cockroach are fundamentally similar in structure?

Which one is absent in animal cell

Which one of the following families has unilocular superior ovary?

Which one of the given transition metal ions is diamagnetic?

Which reaction is used for the preparation of acetophenone?

Zygotic meiosis occurs in