Shubham Jha - Class 11 & 12
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If a = 60 degree find the value of sin2A
Anonymous Quiz
16%
1/2
34%
-1/2
37%
√3/2
13%
-√3/2
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👍3
Ratio of cos 180 degree to cos 0 degree is
Anonymous Quiz
35%
1
44%
-1
14%
2
7%
-2
👍1
If x+y =10 then the maximum value of xy is
Anonymous Quiz
36%
5
33%
20
25%
25
6%
None
If y =x differinate this
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36%
1
31%
X^2
24%
2x
9%
None
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What is the normality of a 1 M solution of H3PO4
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32%
1.0
39%
2.0
26%
3.0
4%
4.0
The wire of flash bulb is made up of:
Anonymous Quiz
27%
Mg
23%
Ag
26%
Au
25%
Cu
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Which of the following alkali metals has the least melting point?
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38%
Na
28%
K
22%
Rb
12%
Cs
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Which of the following metals is not manufactured by electrolysis
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21%
Mg
27%
Na
25%
Fe
27%
As
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Carnallite is the mineral of:
Anonymous Quiz
28%
Mg
30%
Fe
21%
Na
21%
SC
Find differention of x^2+2x+5
Anonymous Quiz
23%
2x+6
46%
2x+2
19%
3x+2
12%
None
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