List of practice Questions

A network of five capacitors is shown in the figure. The total charge stored in the network connected between A and B is:
99% of a first order reaction was completed in 32 minutes. When will 99.9% of the reaction complete?
When a slab of insulating material $4\text{ mm}$ thick is introduced between the plates of a parallel plate capacitor of separation $4\text{ mm}$, it is found that the distance between the plates has to be increased by $3.2\text{ mm}$ to restore the capacity to its original value. The dielectric constant of the material is __________. Fill in the blank with the correct answer from the options given below.
Consider the equilibrium reactions:
The equilibrium constant, $K_c$, for the overall dissociation \[ H_3PO_4 \rightleftharpoons 3H^+ + PO_4^{3-} \] is:
Arrange the following parts in the correct order.
P. the scientist presented
Q. at the international conference
R. his groundbreaking research
S. confidently
Identify the parts P, Q, R, S in the figure given below and select the option in the correct order.
Identify the correct set of molecules with zero dipole moment:
The integral \( \int \frac{2+x^4}{1+x^2} dx \) is equal to
Select the number from among the given options that can replace the mark (?) in the following series:
7, 16, 41, 94, 249, ?
If the price of petrol increases by 25% and Raj intends to spend only an additional 15% on petrol, by how much % will he reduce the quantity of petrol purchased?
What is the average pulse rate of new born babies (0--3 months)?

Hard gelatin capsules stored at 20% RH will

_____ are mainly responsible for the diuretic activity of Boerhaavia diffusa (Punarnava).
Corticosteroids are mainly used as
Drug of choice in anaphylactic shock is
Oral contraceptive pills mainly prevent pregnancy by
Propranolol is classified as
Furosemide is classified as
Ondansetron is mainly used as
Streptomycin belongs to
Which drug should be avoided in patients with history of hypersensitivity to penicillins?
Metformin is used for treatment of
Aspirin is used as
Fluconazole is
Antihistamines are mainly used for