Shubham Jha - Class 9
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How one can separate ammonium chloride from a mixture containing ammonium chloride and sodium chloride?
Anonymous Quiz
27%
Filteration
35%
Perciption
34%
Sublimation
4%
None
The proteins and lipids, essential for building the cell membrane, are manufactured by:
Anonymous Quiz
40%
Endoplasmic recticulum
24%
Golgi apperatus
27%
Mitochondria
8%
Lysosome
Which of the following can sometimes be β€˜zero’ for a moving body?
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13%
Distance
14%
Speed
28%
Velocity
46%
Displacement
Which of the following contains maximum number of molecules?
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40%
1g of c12
33%
1g of o2
19%
1g of h2
8%
None
The molecular formula of potassium nitrate is
Anonymous Quiz
20%
Kno2
15%
No2
58%
Kno3
8%
Kno4
An element X is divalent and another element Y is tetravalent. The compound formed by these two elements will be:
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23%
Xy
40%
Xy2
28%
Xy3
10%
X2y
The atomic mass of sodium is 23. The number of moles in 46g of sodium is ________.
Anonymous Quiz
21%
4
51%
2
18%
0
11%
1/2
The atomic mass of sodium is 23. The number of moles in 46g of sodium is ________.
Anonymous Quiz
35%
18u
35%
81u
21%
87u
8%
78u