π2π2
In a class of 120 students numbered 1 to 120, all even numbered students opt for Physics, whose numbers are divisible by 5 opt for Chemistry and those whose numbers are divisible by 7 opt for Math. How many opt for none of the three subjects?
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19%
19
37%
41
33%
21
11%
57
π3β€1π₯1
Approximate atomic weight of an element is 26.89. If its equivalent weight is 8.9, the exact atomic weight of element would be
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24%
26.8
39%
26.7
25%
17.8
11%
None
π₯1
π₯°2π1π1
π2π1
Wave picture of light failed to explain.
Anonymous Quiz
39%
The photoelectric effect
33%
Polarization effect
25%
Natural science
3%
None
π₯°2
Which of the following is a possible first step in applying the scientific method
Anonymous Quiz
37%
Formulations of questions
22%
Answer forming
37%
Formulations of hypothesis
3%
None
β€1
In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is
Anonymous Quiz
13%
F2AT
33%
FA2T
35%
FAT2
18%
None
π3
The dimensions of kinetic energy is same as that of
Anonymous Quiz
14%
Force
18%
Pressure
42%
Work
26%
Energy
π5π₯°1
π2π₯2
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π1
Under similar conditions of pressure and temperature, 40 ml of slightly moist hydrogen chloride gas is mixed with 20 ml of ammonia gas, the final volume of gas at the same temperature and pressure will be
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7%
5ml
51%
20 ml
31%
80 ml
12%
120 ml
π3
An organic compound contains carbon , hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be
Anonymous Quiz
8%
ChO
54%
CH3O
24%
Ch2O
14%
C2h4
π₯2
Which of the following cannot give iodometric titrations
Anonymous Quiz
27%
Fe^+3
34%
Ca^2+
26%
Cu^2+
13%
Pb^2+
π₯°3
π4π2π2π€©1
The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M isb
Anonymous Quiz
17%
6.3
28%
12.3
37%
18.3
18%
24.3
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