List of practice Questions

Following question is based on the information given below:
(i) 'R×S' means 'R is father of S'
(ii) 'R-S' means 'R is sister of S'
(iii) 'R+S' means 'R is mother of S'
(iv) 'R÷S' means 'R is brother of S'
In the expression A+B×C÷D how is C related to A ?

The percentage dissociation of 0.1M Agl solution having a resistance of 100Ω in an electrolytic cell having cell constant of 4 cm^-1 is.
(λ°mol AgNO₃ = 8000Ω^-1 cm²mol^-1, λ°mol KNO₃ = 10500Ω^-1 cm²mol^-1, λ°mol-1, 2 mol KI = 9500Ω^-1 cm²mol^-1

Chemical Reaction

Out of the four alternatives suggested, select the one which best expresses the following in Passive Voice: They are teasing you.

The half-life of a first-order reaction is 25 minutes. Its rate constant is:

Which one is not a barrier method for birth control ?

At what time between 4 o' clock and 5 o' clock hour hand and minute hand will coincide?

The coercivity of a bar magnet is 140 A m\(^{-1}\). To demagnetize it, it is placed inside a solenoid of length 1.6 m and number of turns 112. What is the current flowing through the solenoid?

Which of the following is not correct about the order of a reaction?

The quantity of charge required to obtain 2 mol of Mn$^{2+}$ from MnO$_4^{-}$ is:

Find the value of \(E^\circ\) in the missing link in following diagram

Find the value of E in the missing link in following diagram

Match List I with List II

Choose the correct answer from the options given below :

Match List I with List II:

Contextual Intelligence

Hem and Nem are partners in a firm Sharing Profits in the ratio of \( 3: 2\). Their Capitals were \(₹ 80,000\) and \(₹ 50,000\) respectively. They admitted Sam for \(\frac{1}{5}\) share and he brought \(₹ 60,000 \) as his Capital. Goodwill of the firm will be:

If today is Saturday then what will be the day on \( 363^{rd} \) day?

Select the appropriate option to convert the following into active voice.
"Why was such a letter written by your brother?"

Choose the correct statements from the following:
A. The total charge in any isolated system remains constant.
B. When some charge is transferred to a conductor, it stays at the same place without getting distributed over the entire surface.
C. One Coulomb of negative charge is the total charge of \(6.25 \times 10^{18}\) electrons.
D. Electric field is a scalar field.
E. Permanent dipole means that the dipole moment \(\vec{P}\) exists irrespective of external electric field \(\vec{E}\).

Consider the following number list [8, 7, 13, 1, -9, 4] After applying selection sort, which of the list is correct after Pass 3 ?

Acetaldehyde and benzaldehyde can be best distinguished by:

An alkyl halide with molecular formula C$_5$H$_11$Br on dehydrohalogenation gives two isomeric alkenes X and Y with formula C$_5$H$_10$. On reductive ozonolysis, X and Y give four compounds CH$_3$CHO, (CH$_3$)$_2$CHO, CH$_3$CO, HCHO. The alkyl halide is:

Take your gloves _______ before shaking someone's hand.

Match the laws in List I with the year adopted in List II

List-I (Laws/Acts)		List-II (Year of Adoption/Passing)
(A)	Caste Disabilities Removal Act	(I)	1989
(B)	Constitution Amendment (93rd) Act	(II)	1950
(C)	(Article 17) Abolishing of Untouchability	(III)	1850
(D)	Prevention of Atrocities Act	(IV)	2006

Choose the correct answer from the options given below:

If today is saturday, then day after 53 days will be:

Match List I with List II

List I	List II
(A) Zener Diode	(II) Voltage Regulator
(B) LED	(III) Remote Control
(C) Rectifier	(IV) AC to DC
(D) Photo diode	(I) Detect optical signal

Three capacitors of capacitances 3 \(\mu\)F, 6 \(\mu\)F and 12 \(\mu\)F are connected in series. Find the potential difference across the 6 \(\mu\)F capacitor, if a battery of 7 V is connected across this combination:

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