When a few drops of iodine solution are added to rice water, the solution turns blue- black in colour. This indicates that rice water contains:
Anonymous Quiz
18%
Fat
28%
Protien
48%
Starch
5%
None
π₯3π₯°2π1
What is the percentage of the oxygen in the expired air when a person is resting?
Anonymous Quiz
26%
12
34%
16
28%
24
11%
21
π6π±3π₯1π1
Work of 14 J is done to move 2 C charge between two points on a conducting wire. What is the potential difference between the two points?
Anonymous Quiz
28%
28v
32%
14v
37%
7v
4%
None
π5π4π2
In an electrical circuit two resistors of 2 Ξ© and 4 Ξ©, respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ξ© resistor in 5 s will be
Anonymous Quiz
21%
5j
39%
10j
33%
20j
7%
45j
π7β€3π1π1
The poorest conductor of heat among metals is
Anonymous Quiz
36%
Lead
32%
Mercury
21%
Calcium
11%
Sodium
π11π2β€1π₯1
The most abundant metal in the earthβs crust is
Anonymous Quiz
34%
Iron
50%
Aluminium
11%
Sodium
4%
Calcium
π8π2
The electronic configuration of three elements X, Y and Z are as follows:
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula,
X = 2, 4, Y = 2, 7, Z = 2,1 Which two elements will combine to form an ionic compound and write the correct formula,
Anonymous Quiz
16%
Xy
52%
Yz
24%
X2Y
8%
None
π9π₯°2π₯1
Which of the following non-metal is lustrous
Anonymous Quiz
18%
Sulphur
20%
Oxygen
55%
Iodine
6%
Nitrogen
π16π4π€©2β€1π₯°1
The atomic number of an element βXβ is 12. Which inert gas is nearest to X?
Anonymous Quiz
20%
He
55%
Ne
22%
Ar
4%
KR
π9π₯°3
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I am taking live batches for youπ«΅
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Link - https://wygei.courses.store/263621
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π΄Subjects - Social Study | English | Maths | Science
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π΄ There are different teachers for each and every subject
β° Time - 9 pm onwards
Link - https://wygei.courses.store/253057
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β Regular Doubt Clearing Session
β Structured Objective Test From Each And Every Topic
β Subjective Test As Per Board Guidelines
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