Solved PPSC,NTS,PMS,CSS Quiz Chemistry MCQs |
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Online Solved Chemical Engineering Past Papers Questions With Answers
Q.1: Which one of the following is not a periodic property ?
- Melting point of elements
- Boiling point of elements
- Ionization energy of elements
- Coordination number of ions
D
Q.2: Which of the following is not a fatty acid ?
- Propanoic acid
- Acetic acid
- Phthalic acid
- Butanoic acid
C
Q.3: Deuterium reacts with oxygen to form-------- ?
- Hard water
- Heavy water
- Soft water
- Water gas
B
Q.4: Different components of a mixture have different Rf values due to------- ?
- Polar solvent used
- Combination of solvents used
- Their different distribution coefficients in the solvent
- Distributive law
C
Q.5: Silica gel and alumina are used as ---------- ?
- Mobile phase
- Stationary phase
- Mixed phase
- Single phase
B
Q.6: Which one of the following element has highest oxidation state in its compounds ?
- Cr
- Mn
- Sn
- O
B
Q.7: Halides in which halogen atoms act as a bridge between two atoms of the other element are called--------- ?
- Covalent halides
- Electronegative halides
- Polymeric halides
- Polymeric hydrides
C
Q.8: Which element was not known when Mendeleev proposed his classification ?
- Hydrogen
- Sodium
- Copper
- Germanium
D
Q.9: The acid which is used as ink remover is--------- ?
- Oxalic acid
- Succinic acid
- Adipic acid
- Acetic acid
A
Q.10: An atom loses or gains electrons to----------- ?
- Gain stability
- Form a bond
- Complete its outermost shell
- all are accurate justifications
D