List of practice Questions

The peak voltage of input a.c. to a full wave rectifier is $E_0$ The peak inverse voltage is

The peptide linkage formed between glycine $(NH_{2}CH_{2}COOH)$ and alanine

to give glycylalanine can be shown as

The percentage by weight of hydrogen in $H_2O_2$ is

The partial pressure of hydrogen in a flaskcontaining 2 g of $H_2$ and 32 g of $S0_2$ is

The particle size ranges from_________in colloidal state

The pathway of water from soil upto the secondary xylem is

The parabola $y^{2} = 2x$ divides the circle $x^{2 }+ y^{2} = 8$ in two parts. Then, the ratio of the areas of these parts is

The parametric form of equation of the circle $x^2 + y^2 - 6x + 2y - 28 = 0$ is

The part of internal ear responsible for hearing is

The oxide of nitrogen that is neutral in character is

The oxide which on dissolving in water turns blue litmus red is

The pair producing virtual as well as real image is

The pale blue syrupy liquid, $H_{2}O_{2}$ discovered by J. Thenard, is estimated by using

The oxidation state of oxygen in $O_2F_2$ is

The oxidation state of phosphorus vary from

The oxidation states of iodine in $ {HIO_4, H_3IO_5}$ and $ {H5IO6}$ are respectively

The oxidation states shown by hydrogen are

The oxidation number of sulphur in $ {H2S2O7}$ is:

The oxidation state of Fe in $K_4[Fe(CN)_6]$ is

The oxidation state of osmium (Os) in $ {OsO_4}$ is

The oxidation state of oxygen in $O_2 Pt F_6$

The oxidation number of P in $Mg_2P_2O_7$ is

The oxidation number of S in $ {Na_2S_4O_6}$ is

The oxidation number of sulphur in $H_2SO_4, H_2S_2O_4 \, and \, H_2S_2O_6$ are respectively

The oxidation number of Mn in $ {KMnO_4}$ is