Shubham Jha - Class 11 & 12
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The elements of group 16 are called—
Anonymous Quiz
23%
Noble gas
37%
Chalcogen
29%
Halogens
11%
Alkali metal
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The smallest ion among the following is
Anonymous Quiz
44%
Na^+
21%
Al^3+
18%
Mg^2+
18%
Si^4+
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Forwarded from Shubham Jha - Class 10 (Shubham Jha)
😂
😁17👍3😢1
1.5 mol of O2 combine with mg to from mgo the mass of mg that has combined is
Anonymous Quiz
10%
72
44%
36
36%
24
10%
94
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What quantity of lime stone on heating will give 56 kg of cao
Anonymous Quiz
21%
1000kg
43%
56kg
17%
45kg
19%
100kg
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The volume of 1.0 g hydrogen at NTP is
Anonymous Quiz
13%
2.24L
45%
22.4L
29%
1.12L
13%
11.2L
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At NTP 5.6L of a gas weight 8 gram the vapour density of gas is
Anonymous Quiz
16%
32
45%
40
33%
16
7%
8
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11 gram of a gas occupies 5.6liter of volume at stp the gas is
Anonymous Quiz
10%
No
50%
N2O4
22%
Co
18%
Co2.
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Formula of ferric sulphate is
Anonymous Quiz
39%
Fe2 so4
39%
Fe2(so)4
17%
Fe2(sor)3
5%
None
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The total number f atom representated by the compound cuso4.5h2o is
Anonymous Quiz
21%
20
37%
23
31%
21
11%
22
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Which of the following can be purified by sublimation
Anonymous Quiz
21%
Br2
35%
Al3
32%
I2
12%
S8
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The period zeptonstand for
Anonymous Quiz
23%
10^-54
35%
10^2
33%
10^-21
9%
10^-6
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How many number of element under lanthanide
Anonymous Quiz
29%
14
32%
15
27%
16
12%
18
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Which of the following forms the basis of the modern periodic table?
Anonymous Quiz
18%
Atomic mass
71%
Atomic number
7%
Atomic nucloid
4%
None
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