Entry Test MCQ :: Diagnostic Test
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31. |
Which is the unit of (K) rate constant for zero order reaction? |
A. |
s-1 |
B. |
mol dm-3 s-1 |
C. |
mol-1 dm3 s-1 |
D. |
mol-2 dm6 s-1 |
Answer: Option B
Explanation:
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32. |
Nitrates of which pair gives different products on thermal decomposition |
Answer: Option C
Explanation:
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33. |
Which is carnalite |
A. |
KCI |
B. |
NaCI |
C. |
KCI MgCl2 6H2O |
D. |
Na2CO3. 10H2O |
Answer: Option C
Explanation:
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34. |
Keeping in view the size of atom which is in correct order |
A. |
Mg > Sr |
B. |
Ba > Mg |
C. |
Lu > Ce |
D. |
CI > 1 |
Answer: Option B
Explanation:
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35. |
Which one does not give borax bead test |
A. |
Copper sulphate |
B. |
Barium sulphate |
C. |
Cobalt sulphate |
D. |
Nickel sulphate |
Answer: Option B
Explanation:
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36. |
Which one is not the use of silicones |
A. |
Lubricant |
B. |
Water repellent film |
C. |
Rubber sheet |
D. |
Medicine |
Answer: Option D
Explanation:
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37. |
The most reactive allotropic form of phosphorus is |
A. |
White |
B. |
Redox potential |
C. |
Black |
D. |
Violet |
Answer: Option A
Explanation:
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38. |
Chemical composition of cinnabar is |
Answer: Option B
Explanation:
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39. |
Which molecule has the highest bond energy among the halogens |
A. |
Fluorine |
B. |
Chlorine |
C. |
Iodine |
D. |
Bromine |
Answer: Option B
Explanation:
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40. |
When chlorine is passed through hot solution of caustic soda the reaction is said as |
A. |
Displacement |
B. |
Reduction |
C. |
Disproportionation reaction |
D. |
Double displacement reaction |
Answer: Option C
Explanation:
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