Shubham Jha - Class 11 & 12
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Formula of ferric sulphate is
Anonymous Quiz
39%
Fe2 so4
39%
Fe2(so)4
17%
Fe2(sor)3
5%
None
๐Ÿคฏ4๐Ÿฅฐ2
The total number f atom representated by the compound cuso4.5h2o is
Anonymous Quiz
21%
20
37%
23
31%
21
11%
22
๐Ÿ‘2๐Ÿฅฐ1
Which of the following can be purified by sublimation
Anonymous Quiz
21%
Br2
35%
Al3
32%
I2
12%
S8
โค2๐Ÿ”ฅ2
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
๐Ÿ”ฅ1
What happens to the electropositive character of elements on moving from left to right in a periodic table?
Anonymous Quiz
27%
Increase
56%
Decrease
14%
1st increase then decrease
2%
None
๐Ÿ‘2๐Ÿฅฐ1
Which out of the following processes does not lead to the formation of clones:
Anonymous Quiz
23%
Fertilisation
35%
Fision
28%
Tissue culture
15%
None
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The ratio of number of chromosomes in a human zygote and a human sperm is:
Anonymous Quiz
33%
1:2
53%
2:1
12%
3:1
2%
1:3
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How many elements present under actinides
Anonymous Quiz
22%
13
43%
15
29%
17
5%
19
๐Ÿคฉ3
๐Ÿ‘3๐Ÿฅฐ1
Insulin contain 3.4 sulphur by mass what will be the minimum molecular weight of insulin
Anonymous Quiz
24%
94.117u
48%
188u
26%
941u
2%
976u
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If we assure 1/24th part of mass of carbon instead of 1/12th part of its amu mass of 1 mole of a substance will be
Anonymous Quiz
23%
Remain unchanged
35%
Get doubled
25%
Can't be predicted
17%
Get halved
๐Ÿฅฐ1
Boron has two isotope 10B and 11B whose relative abundance are 20% and 80% respectively atomic weight of boron is
Anonymous Quiz
19%
10
36%
11
32%
11.5
14%
10.8
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An oxide of nitrogen contains 36.8% by weight of nitrogen the formula of the compund
Anonymous Quiz
14%
N20
44%
N2O3
16%
No
26%
NO2
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An oxide of nitrogen has molecular weight 92 find the total no of electron in one gram mole of that oxide
Anonymous Quiz
14%
4.6n
49%
46 n
28%
23n
9%
2.3n
๐Ÿ‘4๐Ÿ˜3