Objective General Knowledge

Q. The metal that is used as a catalyst in the hydrogenation of oils is
1 Ni
2 Pb
3 Cu
4 Pt
Ans: 1

Q. The metal does not give H2 on treatment with dilute HCL is
1 Zn
2 Fe
3 Ag
4 Ca
Ans: 3

Q. The members of a homologous series have
1 the same physical properties
2 different functional groups
3 same chemical properties
4 different methods of preparation
Ans: 3

Q. The melting point of copper is
1 1083°C
2 732°C
3 327°C
4 1835°C
Ans: 1

Q. The melting and boiling points of ionic solids are
1 high
2 low
3 very low
4 of intermediate range
Ans: 1

Q. The maximum number of covalent bonds formed by nitrogen is
1 1
2 2
3 3
4 4
Ans: 4

Q. The maximum capacity of any orbital is
1 2
2 6
3 14
4 cannot be determined unless the principal quantum number is known
Ans: 1

Q. The material that can be permanently deformed by heat and pressure is called a
1 thermoplastic
2 thermoset
3 chemical compound
4 polymer
Ans: 1

Q. The mass of one Avogadro number of helium atom is
1 1.00 g
2 4.00 g
3 8.00 g
4 4*6.02*10 raised to power 23 g
Ans: 2

Q. The mass number of an atom is equal to
1 the number of protons
2 the number of protons and electrons
3 the number of nucleons
4 the number of neutrons
Ans: 3