Entry Test MCQ :: Diagnostic Test
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| 1. |
Isotopes differs in |
| A. |
arrangement of electrons in orbitals |
B. |
position in the periodic table |
| C. |
properties depend upon mass |
D. |
chemical properties |
Answer: Option D
Explanation:
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| 2. |
The mass of one mole of electron is |
Answer: Option B
Explanation:
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| 3. |
The volume occupied by 1.4g CO at S.T.P is |
| A. |
22.4 dm3 |
B. |
2.24 dm3 |
| C. |
1.12 cm3 |
D. |
1.12 dm3 |
Answer: Option D
Explanation:
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| 4. |
The number of atoms in a molecule determines |
| A. |
macromolecule |
B. |
macromolecule |
| C. |
molecularity |
D. |
atomicity |
Answer: Option D
Explanation:
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| 5. |
Which of the following set has all species isoelectronic |
| A. |
F - Cl - Br |
B. |
Li+1 - Na+1 - K+1 |
| C. |
F - Ne - Na+ |
D. |
H+ - H- - H |
Answer: Option C
Explanation:
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| 6. |
Which element has same isotopes like palladium |
Answer: Option B
Explanation:
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| 7. |
Water absorber used in combustion analysis is |
| A. |
50% KOH |
B. |
Lime water |
| C. |
CaCl2 |
D. |
Mg (CIO4)2 |
Answer: Option D
Explanation:
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| 8. |
A limiting reactant is one which |
| A. |
is taken in lesser quantity in grams as compared to other reactants |
B. |
is taken in lesser quantity in volume as compared to other reactants |
| C. |
gives the maximum amount of the product which is required |
D. |
gives the minimum amount of the product under consideration |
Answer: Option D
Explanation:
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| 9. |
The type of filtering media used for filtration depending upon |
| A. |
Nature of reactants |
B. |
Nature of crucible |
| C. |
Nature of product |
D. |
Nature of precipitate |
Answer: Option D
Explanation:
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| 10. |
A safe and more reliable method for drying the crystal is |
| A. |
Hot air currents |
B. |
folds of filter paper |
| C. |
oven |
D. |
Vacuum desiccator |
Answer: Option D
Explanation:
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