Which of the following is a possible first step in applying the scientific method
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37%
Formulations of questions
22%
Answer forming
37%
Formulations of hypothesis
3%
None
❤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
👍3
The dimensions of kinetic energy is same as that of
Anonymous Quiz
14%
Force
18%
Pressure
42%
Work
26%
Energy
😁5🥰1
👍2🔥2
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👍1
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
👍3
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
🔥2
Which of the following cannot give iodometric titrations
Anonymous Quiz
27%
Fe^+3
34%
Ca^2+
26%
Cu^2+
13%
Pb^2+
🥰3
👎4👍2😁2🤩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
🤩4👍2
The sulphate of a metal M contains 9.87% of M. This sulphate is isomorphous with ZnSO4.7H2O. The atomic weight of M is
Anonymous Quiz
16%
6.3
30%
12.3
38%
18.3
16%
24.3
👍4
❤5👍1🔥1
A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at:
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24%
543mm
38%
643mm
32%
743mm
6%
None
🔥2
Which of the following element has least number of electrons in its M-shell?
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34%
K
26%
Mn
28%
Si
11%
None
🥰2👏1
In the ground state, an element has 13 electrons in its M-shell. The element is_____.
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20%
Copper
54%
Chromium
15%
Nickel
11%
Iron
🥰3😁2
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