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เคฌเคนเฅเคค เคคเคพเคเคค เคนเฅ Consistency เคฎเฅเค - Morning Motivation - #motivationalquotesoftheday
เคฌเคนเฅเคค เคคเคพเคเคค เคนเฅ Consistency เคฎเฅเค - Morning Motivation - #motivationalquotesoftheday
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๐7๐ฅ1
The number of protons in an atom of an element A is 19 then, the number of electron in its ion A+ is:
Anonymous Quiz
26%
18
53%
19
19%
20
2%
21
๐10๐ค7
๐6๐4โค2
The sulphide ores are converted into oxides by heating strongly in the presence of excess air. This process is known as
Anonymous Quiz
35%
Roasting
32%
Smelting
25%
Calcination
9%
Refining
๐7๐ค4๐1
enzymes pepsin and trypsin are secreted respectively by
Anonymous Quiz
34%
Stomach and pancreas
27%
Salivary gland and stomach
37%
Liver and pancreas
2%
None
๐11๐ฅ4๐1
Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition:
Anonymous Quiz
42%
Plasmodium and Amoeba
25%
Parakeet and Amoeba
24%
Paramecium and Plasmodium
9%
Paramecium and Parasite
๐ฑ9๐8โค1๐1
Which of the given properties is generally not shown by metals?
Anonymous Quiz
21%
Electrical conduction
17%
Ductility
47%
Dullness
14%
Sonorous
๐8โค2
The ability of metals to be drawn into thin wire is known as
Anonymous Quiz
39%
Ductility
42%
Malleability
14%
Sonorous
5%
None
๐7๐ฅ3๐1
Generally metals react with acids to give salt and hydrogen gas. Which of the given acids does not give hydrogen gas on reacting with metals (except Mn and Mg)?
Anonymous Quiz
32%
H2so4
25%
Hcl
25%
Hno3
18%
Alll
๐8
Galvanisation is a method of protecting iron from rusting by coating with a thin layer of
Anonymous Quiz
21%
Gallilum
29%
Alluminium
45%
Zinc
5%
Silver
๐7๐ฑ2
If copper is kept open in air, it slowly loses its shining brown surface and gains a green coating. It is due to the formation of
Anonymous Quiz
30%
Cuso4
38%
Cuco3
23%
Cuo
9%
All
๐9๐คฉ2
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be
in front of a plane mirror. The distance between the object and image will be
Anonymous Quiz
47%
0.25m
19%
1.0m
29%
0.5m
6%
1.25m
๐ฑ7๐5๐ค3
The angle of incidence for a ray of light having zero reflection angle is
Anonymous Quiz
55%
0
16%
30
11%
45
18%
90
๐4๐ฅ2
A concave mirror of radius 30 cm is placed in water. Itโs focal length in air and water differ by
Anonymous Quiz
40%
15
23%
20
23%
30
13%
0
๐ข4๐3๐2๐ฅ2
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at
Anonymous Quiz
17%
25cm
37%
40cm
22%
10cm
24%
Infinty
๐4๐ฅ2