The process of removing calcium and magnesium from hard water is known as
Anonymous Quiz
25%
Sedimentation
31%
Filtration
15%
Flocculation
29%
Water softening
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Which of the following is not a nucleon?
Anonymous Quiz
9%
Proton
19%
Neutron
31%
Electron
41%
Positron
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रंग, उमंग, प्रेम और उल्लास के महापर्व होली की आपको और आपके परिवार को Rishi S Classes परिवार की ओर से हार्दिक शुभकामनाएं!
आपका जीवन खुशियों के विविध रंगों से परिपूर्ण हो, समाज सुख, शांति और सद्भावना के आत्मीय रंगों से सराबोर हो, यही कामना है।
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#happyholi2024
आपका जीवन खुशियों के विविध रंगों से परिपूर्ण हो, समाज सुख, शांति और सद्भावना के आत्मीय रंगों से सराबोर हो, यही कामना है।
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#happyholi2024
❤32👍8🥰2
An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
Anonymous Quiz
33%
17
44%
19
17%
36
6%
53
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The total energy of revolving electron in an atom
Anonymous Quiz
21%
Cannot be negative
43%
Can have any value above zero
21%
Can never be positive
15%
Will always be positive
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Conduction band electrons have more mobility than holes because they
Anonymous Quiz
16%
Are lighter
43%
Experience collision less frequently
28%
Have negative charge
14%
Need less energy to move them
👍15
The mass number of a nucleus is
Anonymous Quiz
17%
Always less than its atomic number
34%
Always more than its atomic number
32%
Always equal to its atomic number
17%
Sometimes more and sometimes equal to its atomic number
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