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31.
Copper has ________ lustre.
- A.yellow
- B.reddish
- C.blue
- D.green
- Answer
- Report
Answer : [B]
32.
An example of covalent solid is _______ .
- A.MgO
- B.Mg
- C.SiC
- D.CaF2
- Answer
- Report
Answer : [C]
33.
solids are also called giant molecules or network solids.
- A.Covalent
- B.Molecular
- C.Ionic
- D.Metallic
- Answer
- Report
Answer : [A]
34.
Which of the following is a network solid?
- A.SO2 (Solid)
- B.I2
- C.Diamond
- D.H2O (Ice)
- Answer
- Report
Answer : [C]
35.
Which of the following is TRUE for diamond?
- A.Diamond is a good conductor of electricity.
- B.Diamond is a bad conductor of heat.
- C.Diamond is soft.
- D.Diamond is made up of C, H and O.
- Answer
- Report
Answer : [B]
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