Shubham Jha - Class 9
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Shubham Jha - Class 9
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During summer, water kept in an earthen pot becomes cool because of the phenomenon of
Anonymous Quiz
20%
Osmosis
50%
Evaporation
15%
Diffusion
15%
Condensation
Which of the following has the strongest interparticle forces at room temperature?
Anonymous Quiz
33%
Oxygen
20%
Water
16%
Bromine
31%
Iron
Which of the following are covered by a single membrane?
Anonymous Quiz
31%
Mitochondria
48%
Vocule
17%
Lysosome
4%
None
The proteins and lipids, essential for building the cell membrane, are manufactured by
Anonymous Quiz
62%
Rer
38%
Ser
The cell organelle involved in forming complex sugars from simple sugars are
Anonymous Quiz
26%
Endoplasmic rectillium
54%
Golgi apperatus
18%
Lysosome
3%
None
The ion of an element has 3 positive charges. Mass number of the atom is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
Anonymous Quiz
18%
16
47%
10
24%
14
11%
12
An atom with 3 protons and 4 neutrons will have a valency of
Anonymous Quiz
14%
3
39%
7
41%
1
7%
4
πŸ‘1
How many electrons are present in M-shell of an element with atomic number 20?
Anonymous Quiz
11%
5
52%
8
18%
12
19%
18
The atomic number of cation M2+ is 12. How many electrons are present in it?
Anonymous Quiz
31%
10
47%
12
16%
14
7%
18
Cathode rays consist of negatively charged particles known as ……
Anonymous Quiz
63%
Electron
22%
Proton
13%
Neutron
3%
None