Check out this amazing ๐คฉ Question of the Day from the Chapter :- Solutions
Link - https://vdnt.in/Ggvwq
Link - https://vdnt.in/Ggvwq
Chapter :- Mole Concept
The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid istreated with excess HโS in the presence of conc. HCI (assuming 100% conversion) is:
The amount of arsenic pentasulphide that can be obtained when 35.5 g arsenic acid istreated with excess HโS in the presence of conc. HCI (assuming 100% conversion) is:
Anonymous Quiz
14%
0.50 mol
42%
0.25 mol
35%
0.125 mol
8%
0.333 mol
Chapter :- Mechanical properties of fluids
A small liquid drop of radius R is divided into 27 identical liquid drops. If the surface tension is T , then the work done in the process will be:
A small liquid drop of radius R is divided into 27 identical liquid drops. If the surface tension is T , then the work done in the process will be:
Anonymous Quiz
20%
4ฯRยฒT
37%
8ฯRยฒT
30%
1/8 ฯRยฒT
14%
3ฯRยฒT
Chapter :- Parabola
The set of points on the axis of the parabola yยฒ = 4x + 8 from which the 3 normals to the parabola are all real and different is
The set of points on the axis of the parabola yยฒ = 4x + 8 from which the 3 normals to the parabola are all real and different is
Anonymous Quiz
18%
{(k, 0) | k โค โ2}
51%
{(k, 0) | k > โ2}
26%
{(k, 0) | k > 0}
6%
{(k, 0), : k < 0}
Chapter :- Parabola
Axis of a parabola lies along x-axis. If its vertex and focus are at distance 2 and 4 respectively from the origin, on the positive x-axis then which of the following points does not lie on it?
Axis of a parabola lies along x-axis. If its vertex and focus are at distance 2 and 4 respectively from the origin, on the positive x-axis then which of the following points does not lie on it?
Anonymous Quiz
17%
(5, 2โ6)
40%
(8, 6)
35%
(6, 4โ2)
8%
(4, -4)
Join HP Gurukul ๐คฉ :- https://vdnt.in/GgCkS
25 Nov | Physics | CURRENT ELECTRICITY (Part 2) | 5:00 PM :- https://www.youtube.com/live/YaKRqUb7R6U?si=60KItRKRYcRarewW
26 Nov | Chemistry | MOLE CONCEPT | 11:00 AM :- https://www.youtube.com/live/kwph9P1HQdI?si=fhtq_L0kYXv2ATyo
26 Nov | Math | 3D GEOMETRY | 5:00 PM :- https://www.youtube.com/live/L4UNo-SUFiM?si=2kM9bSyEkjv6Qit5
27 Nov | Math | SETS, RELATIONS & FUNCTIONS | 11:00 AM :- https://www.youtube.com/live/3oBkL818lss?si=A9Q4pKJ7iFPRdYvz
27 Nov | Physics | MODERN PHYSICS | 5:00 PM :- https://www.youtube.com/live/NkrAVg10FDY?si=yG4zniaK6Ef_SAR5
29 Nov | Physics | UNITS & MEASUREMENTS | 5:00 PM :- https://www.youtube.com/live/OIcm2TJXTg0?si=VzOzKHeM9AdTmvnt
25 Nov | Physics | CURRENT ELECTRICITY (Part 2) | 5:00 PM :- https://www.youtube.com/live/YaKRqUb7R6U?si=60KItRKRYcRarewW
26 Nov | Chemistry | MOLE CONCEPT | 11:00 AM :- https://www.youtube.com/live/kwph9P1HQdI?si=fhtq_L0kYXv2ATyo
26 Nov | Math | 3D GEOMETRY | 5:00 PM :- https://www.youtube.com/live/L4UNo-SUFiM?si=2kM9bSyEkjv6Qit5
27 Nov | Math | SETS, RELATIONS & FUNCTIONS | 11:00 AM :- https://www.youtube.com/live/3oBkL818lss?si=A9Q4pKJ7iFPRdYvz
27 Nov | Physics | MODERN PHYSICS | 5:00 PM :- https://www.youtube.com/live/NkrAVg10FDY?si=yG4zniaK6Ef_SAR5
29 Nov | Physics | UNITS & MEASUREMENTS | 5:00 PM :- https://www.youtube.com/live/OIcm2TJXTg0?si=VzOzKHeM9AdTmvnt
Check out this amazing ๐คฉ Question of the Day from the Chapter :- Laws of motion
Link - https://vdnt.in/GiGvj
Link - https://vdnt.in/GiGvj
Chapter - Work Power Energy
A bag of sand of mass 9.8 kg is suspended by a rope. A bullet of 200 g travelling with speed 10 m/s gets embedded in it, then loss of kinetic energy will be :
A bag of sand of mass 9.8 kg is suspended by a rope. A bullet of 200 g travelling with speed 10 m/s gets embedded in it, then loss of kinetic energy will be :
Anonymous Quiz
16%
4.9 J
49%
9.8 J
27%
14.7 J
8%
19.6 J
Chapter - Mole Concept
The molecular formula of a commercial resin used for exchanging ions in water softening is CโHโSOโNa (Mol. Wt. 206). What would be the maximum uptake of Ca2+ ions by the resin when expressed in mole per gram resin?
The molecular formula of a commercial resin used for exchanging ions in water softening is CโHโSOโNa (Mol. Wt. 206). What would be the maximum uptake of Ca2+ ions by the resin when expressed in mole per gram resin?
Anonymous Quiz
15%
2/309
42%
1/412
32%
1/103
10%
1/206
Check out this amazing ๐คฉ Question of the Day from the Chapter :- Matrices and determinants
Link - https://vdnt.in/GiGvK
Link - https://vdnt.in/GiGvK
Your major focus ?
Anonymous Poll
10%
Boards only
10%
Boards + CUET
6%
CUET only
42%
Boards + JEE
31%
JEE only
Chapter - Heat and thermodynamics
A diatomic gas (ฮณ=1.4) does 100 J of work in an isobaric expansion. The heat given to the gas is :
A diatomic gas (ฮณ=1.4) does 100 J of work in an isobaric expansion. The heat given to the gas is :
Anonymous Quiz
19%
150 J
39%
490 J
33%
350 J
9%
250 J
Chapter - Mole Concept
What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875% acid solution?
What quantity (in mL) of a 45% acid solution of a mono-protic strong acid must be mixed with a 20% solution of the same acid to produce 800 mL of a 29.875% acid solution?
Anonymous Quiz
20%
320
41%
325
31%
316
8%
330
Check out this amazing ๐คฉ Question of the Day from the Chapter :- Electrochemistry
Link - https://vdnt.in/GiGw4
Link - https://vdnt.in/GiGw4
Chapter - Parabola
The locus of a point which divides the line segment joining the point (0, โ1) and a point on the parabola, xยฒ = 4y, internally in the ratio 1 : 2, is :
The locus of a point which divides the line segment joining the point (0, โ1) and a point on the parabola, xยฒ = 4y, internally in the ratio 1 : 2, is :
Anonymous Quiz
28%
9xยฒ โ 12y = 8
37%
xยฒ โ 3y = 2
28%
9xยฒ โ 3y = 2
7%
4xยฒ โ 3y = 2
Chapter - Parabola
If circle and (x - 6)ยฒ + yยฒ = rยฒ and parabola yยฒ = 4x have maximum number of common chord then least integral value of r is
If circle and (x - 6)ยฒ + yยฒ = rยฒ and parabola yยฒ = 4x have maximum number of common chord then least integral value of r is
Anonymous Quiz
25%
5
43%
6
24%
7
8%
9
Check out this amazing ๐คฉ Question of the Day from the Chapter :- Work, energy and power
Link - https://vdnt.in/GiGwj
Link - https://vdnt.in/GiGwj
Chapter - Mechanical properties of fluids
Eight equal drops of water are falling through air with a steady speed of 10 cm/s. If the drops coalesce, the new velocity is:-
Eight equal drops of water are falling through air with a steady speed of 10 cm/s. If the drops coalesce, the new velocity is:-
Anonymous Quiz
27%
40 cm/s
40%
16 cm/s
25%
10 cm/s
8%
5 cm/s
Chapter - Mole Concept
The most abundant elements by mass in the body of a healthy human adult are: Oxygen (61.4%); Carbon (22.9%),Hydrogen (10.0%);and Nitrogen (2.6%).The weight which a 75 kg person would gain if all ยนH atoms are replaced by ยฒH atoms is
The most abundant elements by mass in the body of a healthy human adult are: Oxygen (61.4%); Carbon (22.9%),Hydrogen (10.0%);and Nitrogen (2.6%).The weight which a 75 kg person would gain if all ยนH atoms are replaced by ยฒH atoms is
Anonymous Quiz
23%
37.5 kg
42%
7.5 kg
24%
10 kg
11%
15 kg