Shubham Jha - Class 11 & 12
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Find no of electron in 50g of caco3
Anonymous Quiz
27%
25 NA e
39%
50 NA e
30%
32 NA e
5%
45NA e
πŸ‘2πŸ‘1
88 g of co2 contain how many mole
Anonymous Quiz
49%
2mole
22%
3mole
21%
4mole
8%
5mole
πŸ‘4
Find the mass % of oxygen in glucose c6h12o6
Anonymous Quiz
27%
53%
36%
53.3%
16%
53.5%
20%
53.6%
πŸ‘2
Cos (120) degee
Anonymous Quiz
15%
1
48%
-1/2
24%
-2/βœ“3
13%
βœ“3/2
πŸ‘3
πŸ‘6πŸ”₯2πŸ₯°1
The dimensions of kinetic energy is same as that of
Anonymous Quiz
18%
Force
26%
Pressure
41%
Work
15%
Momentum
πŸ‘1
πŸ‘2😁1
Light year is a unit of
Anonymous Quiz
14%
Time
48%
Distance
37%
Sunlight intensity
1%
Mass
πŸ‘1
The number of moles present in 6gms of carbon is
Anonymous Quiz
19%
2
58%
0.5
13%
5
10%
1
πŸ‘2
The -ve charged particles is called
Anonymous Quiz
62%
Anion
30%
Cation
4%
Radical
4%
Atom
πŸ‘1
πŸ‘3
A gas absorb a phothon of 355 nm and emits at two wavelength if one of the emission is at 680nm the other is at
Anonymous Quiz
22%
518nm
48%
1035nm
23%
325nm
6%
743nm
🀯5πŸ‘2
Which of the following has least number of electrons in its M-shell
Anonymous Quiz
35%
K
35%
Mn
22%
Ni
9%
Sc
πŸ‘3
In the ground state an element has 13 electron in its M-shell the element is
Anonymous Quiz
20%
Copper
46%
Chromium
22%
Nickel
12%
Iron
πŸ‘3
Which one of the following is the unit of velocity
Anonymous Quiz
4%
Kilogram
13%
Meter
79%
m/s
3%
Second
πŸ‘3
The dimensional formula for speed is
Anonymous Quiz
11%
T^-1
66%
LT^-1
9%
L^-1T
14%
None
πŸ‘5
πŸ‘3