List of practice Questions

Select the mismatch:
The correct increasing order of energy of orbitals in a hydrogen atom is:
What is the dispersed phase and dispersion medium of the following colloidal systems?
When a smaller ion (usually a cation) is dislocated from its normal site in a crystal and moves to an interstitial site, it is known as:
The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:
Which acid is present in vinegar?
Which of the following is a thermoplastic polymer?
Product, P is: \[ \text{C}_6\text{H}_6 + \text{Cl}_2(\text{excess}) \xrightarrow{\text{Anhy.AlCl}_3}{\text{dark, cold}} \text{P} \]
Calculate the magnetic moment of the element with atomic number $ Z = 28 $.
The element Neodymium (Nd) belongs to the 4f series. What is its atomic number?
Fill in the blank with the correct option, to form a meaningful sentence: The Principal addressed us in the assembly and ___________ the rumors of an early summer break.
Two parallel plate capacitors of capacitances 2 \(\mu F\) and 3 \(\mu F\) are joined in series and the combination is connected to a battery of V volts. The values of potential across the two capacitors \(V_1\) and \(V_2\) and energy stored in the two capacitors \(U_1\)and \(U_2\) respectively are related as_____
Fill in the blank with the correct answer from the options given below
The total number of ions produced from the compound \(\text{Cr}(\text{NH}_3)_6]\text{Cl}_3\) in aqueous solution is:
If the equations $x^2+2x+K=0$ and $x^2+Kx+2=0$ have one root in common, then the product of the other two roots is?
Lower half of a convex lens is made opaque. Which of the following describes the image of the object placed in front of the lens?(A) No change in image
(B) Image will show only half of the object
(C) Intensity of image gets reduced
Choose the correct answer from the options given below.
In the circuit shown below, a current 3 I enters at A. The semicircular parts ABC and ADC have equal radii r but resistances 2R and R respectively. The magnetic field at the center of the circular loop ABCD is ______.
Circuit
Fill in the blank with the correct answer from the options given below
For an astronomical telescope having objective lens of focal length 10 m and eyepiece lens of focal length 10 cm, telescope’s the tube length and magnification respectively are __________.
.Fill in the blank with the correct answer from the options given below.
Which technology utilizes electric charges to remove particulate matter from industrial flue gases?
What distinguishes metamorphic rocks from igneous and sedimentary rocks?
Which of the following is not included in the baseline studies conducted in EIA?
How can public participation improve the assessment of social and economic impacts in an EIA?
How will the degree of consolidation affect the porosity of the formation?
Which type of aquifer is more prone to contamination?
Which type of aquifer has an impervious layer above and below it?
What is the example of an aquitard?