List of practice Questions

Cyclohexanone is subjected to reduction by $NaBH_4$. The product formed is

$CuSO_{4} \cdot 5H_{2}O$ is blue in colour while $CuSO_{4}$ is colourless due to

Cuticle is absent in

Cyanobacteria are classified under which of the following kingdoms?

Cupellation is used in the metallurgy of

Curdled milk formed in stomach contains precipitated protein

Crystalline form of sulphur stable at room temperature is

$CsBr$ has $bcc$ structure with edge length $4.3\,?$ The shortest inter ionic distance in between $Cs^+$ and $Br^-$ is

$ {Cu_2S + 2Cu_2O -> 6Cu + SO_2}$ In which process of metallurgy of copper, above equation is involved?

Crescograph was invented by

Critical angle of glass is $\theta_1$ and that of water is $\theta_2$ The critical angle for water and glass surface would be $(\mu_g = 3/2, \mu_w = 4/3)$.

Crossing over in diploid organisms is responsible for

Crude common salt is hygroscopic because of impurities of

$ {Cr^{+3}}$ in aquous medium form green coloured complex with $ {NH_3}$ ligand. How many ligand associated

$CrCl_{3} \cdot 6H_{2}O$ exists in different isomeric forms which show different colours like violet and green. This is due to

Covalency of oxygen cannot exceed $2$ unlike sulphur which can show $+4$ or $+6$ because

Cow?? milk is slightly yellowish in colour due to the presence of

$ {Cr_2 O^{2-}_7 ->[H^+] Cr^{3+} , }$ E wt of $ {Cr_2 O^{2-}_7}$ is

Coulomb's law correctly describes the electric force is that (pick the wrong statement)

$\cos^2 \, 1^\circ + cos^2 2^0 + cos^2 \, 3^0 + ... + \cos^2 \, 90^\circ$ =

$\cos \theta .\cos(90 - \theta) - \sin \theta \sin (90 - \theta)$ equals: